Consolidated Statements of Equity (Unaudited) - USD ($)
|
Series D Preferred Stock [Member] |
Series G Preferred Stock [Member] |
Series H Preferred Stock [Member] |
Series H(2) Preferred Stock [Member] |
Series J Preferred Stock [Member] |
Series K Preferred Stock [Member] |
Series AA Preferred Stock [Member] |
Common Stock [Member] |
Stock Warrants [Member] |
Additional Paid-In Capital [Member] |
Accumulated Other Comprehensive Loss [Member] |
Accumulated Deficit [Member] |
Total |
Balance at Dec. 31, 2017 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
|
$ 13,429
|
$ 9,878,513
|
$ 30,833,549
|
|
$ (55,349,299)
|
$ (14,622,796)
|
Balance, shares at Dec. 31, 2017 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
|
1,342,858
|
|
|
|
|
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
86,020
|
|
|
86,020
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
$ 226
|
|
80,529
|
|
|
80,755
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
22,606
|
|
|
|
|
|
Common stock\Warrants issued for debt extension |
|
|
|
|
|
|
|
$ 70
|
|
28,420
|
|
|
28,490
|
Common stock\Warrants issued for debt extension, shares |
|
|
|
|
|
|
|
7,000
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 158
|
|
59,106
|
|
|
59,264
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
15,750
|
|
|
|
|
|
Warrants issued with debt |
|
|
|
|
|
|
|
|
118,416
|
|
|
|
118,416
|
Unrealized loss on investments, net of tax |
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
(2,231,654)
|
(2,231,654)
|
Balance, shares at Mar. 31, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
|
1,388,214
|
|
|
|
|
|
Balance at Dec. 31, 2017 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
|
$ 13,429
|
9,878,513
|
30,833,549
|
|
(55,349,299)
|
(14,622,796)
|
Balance, shares at Dec. 31, 2017 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
|
1,342,858
|
|
|
|
|
|
Issuance of common stock for services |
|
|
|
|
|
|
|
|
|
|
|
|
$ 173,520
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
|
|
|
|
|
48,000
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
|
$ (6,321,542)
|
Balance, shares at Sep. 30, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
580
|
1,657,136
|
|
|
|
|
|
Balance at Mar. 31, 2018 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
|
$ 13,883
|
9,996,929
|
31,087,624
|
|
(57,580,953)
|
(16,481,505)
|
Balance, shares at Mar. 31, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
|
1,388,214
|
|
|
|
|
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
62,249
|
|
|
62,249
|
Issuance of common stock for services |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Incentive Shares/Warrants |
|
|
|
|
|
|
|
$ 1,108
|
312,637
|
339,149
|
|
|
652,894
|
Incentive Shares/Warrants, shares |
|
|
|
|
|
|
|
110,833
|
|
|
|
|
|
Series AA Preferred Stock dividend |
|
|
|
|
|
|
|
|
|
|
|
(95,879)
|
(95,879)
|
Issuance of warrants for services |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of warrants for services, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
$ 26
|
|
9,242
|
|
|
9,268
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
2,637
|
|
|
|
|
|
Deemed dividend-beneficial conversion feature |
|
|
|
|
|
|
|
|
|
(10,532,291)
|
|
(213,012)
|
(10,532,291)
|
Conversion of Series K convertible preferred stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of Series K convertible preferred stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 354
|
|
118,927
|
|
|
119,281
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
35,410
|
|
|
|
|
|
Warrants issued with debt |
|
|
|
|
|
|
|
|
43,607
|
|
|
|
43,607
|
Down round feature triggered |
|
|
|
|
|
|
|
|
|
10,532,291
|
|
213,012
|
10,532,291
|
Warrant exercise |
|
|
|
|
|
|
|
|
|
|
|
|
|
Contingent beneficial feature on convertible notes |
|
|
|
|
|
|
|
|
|
253,000
|
|
|
253,000
|
Conversion of debt and interest for preferred stock |
|
|
|
|
|
|
$ 51
|
|
6,826,710
|
5,861,874
|
|
|
12,688,635
|
Conversion of debt and interest for preferred stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Warrant modification |
|
|
|
|
|
|
|
|
60,120
|
|
|
|
60,120
|
Preferred Stock offering |
|
|
|
|
|
|
$ 1
|
|
172,932
|
127,067
|
|
|
300,000
|
Preferred Stock offering, shares |
|
|
|
|
|
|
120
|
|
|
|
|
|
|
Offering costs for issuance of preferred stock |
|
|
|
|
|
|
|
|
37,782
|
(111,691)
|
|
|
(73,909)
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
(2,281,232)
|
(2,281,232)
|
Balance, shares at Jun. 30, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
120
|
1,537,094
|
|
|
|
|
|
Balance at Jun. 30, 2018 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
$ 52
|
$ 15,371
|
17,450,717
|
37,747,441
|
|
(59,958,064)
|
(4,743,471)
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
151,315
|
|
|
151,315
|
Issuance of common stock for services |
|
|
|
|
|
|
|
$ 480
|
|
173,040
|
|
|
173,520
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
48,000
|
|
|
|
|
|
Incentive Shares/Warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
Incentive Shares/Warrants, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Series AA Preferred Stock dividend |
|
|
|
|
|
|
|
|
|
|
|
(277,439)
|
(277,439)
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
$ 308
|
|
111,101
|
|
|
111,409
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
30,764
|
|
|
|
|
|
Deemed dividend-beneficial conversion feature |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of Series G convertible preferred stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of Series G convertible preferred stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Common stock\Warrants issued for debt extension |
|
|
|
|
|
|
|
$ 72
|
|
25,056
|
|
|
25,128
|
Common stock\Warrants issued for debt extension, shares |
|
|
|
|
|
|
|
7,200
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 341
|
|
107,286
|
|
|
107,627
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
34,078
|
|
|
|
|
|
Warrants issued with debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
Preferred Stock offering |
|
|
|
|
|
|
$ 5
|
|
679,707
|
470,288
|
|
|
1,150,000
|
Preferred Stock offering, shares |
|
|
|
|
|
|
460
|
|
|
|
|
|
|
Offering costs for issuance of preferred stock |
|
|
|
|
|
|
|
|
160,265
|
(280,895)
|
|
|
(120,630)
|
Unrealized loss on investments, net of tax |
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
(1,752,154)
|
(1,808,656)
|
Balance, shares at Sep. 30, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
580
|
1,657,136
|
|
|
|
|
|
Balance at Dec. 31, 2018 |
$ 3
|
$ 806
|
$ 100
|
|
$ 34
|
$ 68
|
$ 65
|
$ 16,842
|
19,807,247
|
39,777,301
|
|
(65,727,538)
|
(6,125,071)
|
Balance, shares at Dec. 31, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
6,499
|
1,684,184
|
|
|
|
|
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
245,392
|
|
|
245,392
|
Issuance of common stock for services |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Series AA Preferred Stock dividend |
|
|
|
|
|
|
|
|
|
|
|
(355,610)
|
(355,610)
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of Series AA Convertible Preferred Stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
Deemed dividend-beneficial conversion feature |
|
|
|
|
|
|
|
|
|
(1,060,199)
|
|
|
(1,060,199)
|
Common stock\Warrants issued for debt extension |
|
|
|
|
|
|
|
$ 123
|
|
27,788
|
|
|
27,911
|
Common stock\Warrants issued for debt extension, shares |
|
|
|
|
|
|
|
12,300
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 220
|
|
$ 61,590
|
|
|
$ 61,810
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
22,008
|
|
|
|
|
|
Warrants issued with debt |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of debt and interest for preferred stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of debt and interest for preferred stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Preferred Stock offering |
|
|
|
|
|
|
$ 6
|
|
738,528
|
661,466
|
|
|
1,400,000
|
Preferred Stock offering, shares |
|
|
|
|
|
|
560
|
|
|
|
|
|
|
Offering costs for issuance of preferred stock |
|
|
|
|
|
|
|
|
160,764
|
(300,764)
|
|
|
(140,000)
|
Unrealized loss on investments, net of tax |
|
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of shares for services |
|
|
|
|
|
|
|
$ 500
|
|
167,500
|
|
|
168,000
|
Issuance of shares for services, shares |
|
|
|
|
|
|
|
50,000
|
|
|
|
|
|
Beneficial conversion feature on Series AA convertible preferred stock |
|
|
|
|
|
|
|
|
|
1,060,199
|
|
|
1,060,199
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
(2,055,173)
|
(2,055,173)
|
Balance, shares at Mar. 31, 2019 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
7,059
|
1,768,492
|
|
|
|
|
|
Balance at Dec. 31, 2018 |
$ 3
|
$ 806
|
$ 100
|
|
$ 34
|
$ 68
|
$ 65
|
$ 16,842
|
19,807,247
|
39,777,301
|
|
(65,727,538)
|
(6,125,071)
|
Balance, shares at Dec. 31, 2018 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
6,499
|
1,684,184
|
|
|
|
|
|
Issuance of common stock for services |
|
|
|
|
|
|
|
|
|
|
|
|
$ 245,000
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
|
|
|
|
|
75,000
|
Conversion of debt and interest for preferred stock |
|
|
|
|
|
|
|
|
|
|
|
|
$ 200,797
|
Conversion of debt and interest for preferred stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
|
$ (7,978,844)
|
Balance, shares at Sep. 30, 2019 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
7,899
|
2,172,163
|
|
|
|
|
|
Balance at Mar. 31, 2019 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
$ 71
|
$ 17,685
|
20,706,539
|
40,640,273
|
|
(68,138,321)
|
(6,772,741)
|
Balance, shares at Mar. 31, 2019 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
7,059
|
1,768,492
|
|
|
|
|
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
362,182
|
|
|
362,182
|
Series AA Preferred Stock dividend |
|
|
|
|
|
|
|
|
|
|
|
(420,489)
|
(420,489)
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
$ 425
|
|
151,568
|
|
|
151,993
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
42,456
|
|
|
|
|
|
Conversion of Series AA Convertible Preferred Stock |
|
|
|
|
|
|
|
|
|
|
|
|
|
Conversion of Series AA Convertible Preferred Stock, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Deemed dividend-beneficial conversion feature |
|
|
|
|
|
|
|
|
|
(889,532)
|
|
|
(889,532)
|
Common stock\Warrants issued for debt extension |
|
|
|
|
|
|
|
$ 490
|
|
125,418
|
|
|
125,908
|
Common stock\Warrants issued for debt extension, shares |
|
|
|
|
|
|
|
49,027
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 296
|
|
105,293
|
|
|
105,589
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
29,641
|
|
|
|
|
|
Warrant modification |
|
|
|
|
|
|
|
|
|
|
|
|
|
Preferred Stock offering |
|
|
|
|
|
|
$ 5
|
|
608,852
|
538,062
|
|
|
1,146,919
|
Preferred Stock offering, shares |
|
|
|
|
|
|
459
|
|
|
|
|
|
|
Offering costs for issuance of preferred stock |
|
|
|
|
|
|
|
|
131,251
|
(245,870)
|
|
|
(114,619)
|
Beneficial conversion feature on Series AA convertible preferred stock |
|
|
|
|
|
|
|
|
|
889,532
|
|
|
889,532
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
(2,766,842)
|
(2,766,842)
|
Balance, shares at Jun. 30, 2019 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
7,518
|
1,889,616
|
|
|
|
|
|
Balance at Jun. 30, 2019 |
$ 3
|
$ 806
|
$ 100
|
|
$ 35
|
$ 68
|
$ 76
|
$ 18,896
|
21,446,642
|
41,676,926
|
|
(71,325,652)
|
(8,182,100)
|
Stock-based compensation |
|
|
|
|
|
|
|
|
|
115,002
|
|
|
115,002
|
Issuance of common stock for services |
|
|
|
|
|
|
|
$ 250
|
|
76,750
|
|
|
77,000
|
Issuance of common stock for services, shares |
|
|
|
|
|
|
|
25,000
|
|
|
|
|
|
Incentive Shares/Warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
Incentive Shares/Warrants, shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
Series AA Preferred Stock dividend |
|
|
|
|
|
|
|
|
|
|
|
(492,494)
|
(492,494)
|
Conversion of debt and interest for common stock |
|
|
|
|
|
|
|
$ 1,200
|
|
341,050
|
|
|
342,250
|
Conversion of debt and interest for common stock, shares |
|
|
|
|
|
|
|
120,000
|
|
|
|
|
|
Issuance of common stock for dividends paid-in-kind |
|
|
|
|
|
|
|
$ 195
|
|
37,935
|
|
|
38,130
|
Issuance of common stock for dividends paid-in-kind, shares |
|
|
|
|
|
|
|
19,454
|
|
|
|
|
|
Conversion of Series AA Convertible Preferred Stock |
|
|
|
|
|
|
$ 0
|
$ 160
|
|
(160)
|
|
|
0
|
Conversion of Series AA Convertible Preferred Stock, shares |
|
|
|
|
|
|
(16)
|
16,000
|
|
|
|
|
|
Deemed dividend-beneficial conversion feature |
|
|
|
|
|
|
|
|
|
(675,979)
|
|
|
(675,919)
|
Beneficial feature on Preferred Stock Offering |
|
|
|
|
|
|
|
|
|
675,979
|
|
|
675,919
|
Common stock\Warrants issued for debt extension |
|
|
|
|
|
|
|
$ 796
|
|
230,517
|
|
|
231,313
|
Common stock\Warrants issued for debt extension, shares |
|
|
|
|
|
|
|
79,610
|
|
|
|
|
|
Stock issued with debt |
|
|
|
|
|
|
|
$ 225
|
|
58,509
|
|
|
58,734
|
Stock issued with debt, shares |
|
|
|
|
|
|
|
22,483
|
|
|
|
|
|
Contingent beneficial feature on convertible notes |
|
|
|
|
|
|
|
|
|
451,665
|
|
|
451,665
|
Preferred Stock offering |
|
|
|
|
|
|
$ 4
|
|
511,739
|
480,257
|
|
|
992,000
|
Preferred Stock offering, shares |
|
|
|
|
|
|
397
|
|
|
|
|
|
|
Offering costs for issuance of preferred stock |
|
|
|
|
|
|
|
|
105,926
|
(205,126)
|
|
|
(99,200)
|
Net loss |
|
|
|
|
|
|
|
|
|
|
|
$ (3,156,829)
|
$ (3,156,829)
|
Balance, shares at Sep. 30, 2019 |
300
|
80,570
|
10,000
|
21
|
3,458
|
6,880
|
7,899
|
2,172,163
|
|
|
|
|
|