CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) (USD $)
|
Convertible Series A [Member]
Preferred Stock [Member]
|
Convertible Series B [Member]
Preferred Stock [Member]
|
Convertible Series C [Member]
Preferred Stock [Member]
|
Convertible Series D [Member]
Preferred Stock [Member]
|
Preferred Stock [Member]
|
Common Stock [Member]
|
Stock Warrants [Member]
|
Additional Paid-In Capital [Member]
|
Accumulated Deficit [Member]
|
Total
|
---|---|---|---|---|---|---|---|---|---|---|
BALANCE at Dec. 31, 2009 | $ 1,523 | $ 620 | $ 0 | $ 0 | $ 2,143 | $ 23,284 | $ 1,352,165 | $ 9,297,115 | $ (7,986,620) | $ 2,688,087 |
BALANCE (in shares) at Dec. 31, 2009 | 152,213 | 62,039 | 0 | 0 | 214,252 | 2,328,426 | ||||
Stock-based compensation | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 273,182 | 0 | 273,182 |
Stock option exercises | 0 | 0 | 0 | 0 | 0 | 189 | 0 | 20,031 | 0 | 20,220 |
Stock option exercises (in shares) | 0 | 0 | 0 | 0 | 0 | 18,897 | ||||
Issuance of convertible preferred stock | 0 | 267 | 0 | 0 | 267 | 0 | 0 | 328,107 | 0 | 328,374 |
Issuance of convertible preferred stock (in shares) | 0 | 26,672 | 0 | 0 | 26,672 | 0 | ||||
Issuance of common stock for services | 0 | 0 | 0 | 0 | 0 | 170 | 0 | 25,800 | 0 | 25,970 |
Issuance of common stock for services (in shares) | 0 | 0 | 0 | 0 | 0 | 17,000 | ||||
Offering costs for issuance of preferred stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (53,689) | 0 | (53,689) |
Issuance of warrants | 0 | 0 | 0 | 0 | 0 | 0 | 307,416 | 0 | 0 | 307,416 |
Stock warrant exercise | 1,255 | 0 | 0 | 0 | 1,255 | 0 | (410,671) | 1,830,691 | 0 | 1,421,275 |
Stock warrant exercise (in shares) | 125,658 | 0 | 0 | 0 | 125,658 | 0 | ||||
Beneficial conversion of issued preferred stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 154,389 | (154,389) | 0 |
Conversion of preferred stock to common stock | (157) | 0 | 0 | 0 | (157) | 1,573 | 0 | (1,416) | 0 | 0 |
Conversion of preferred stock to common stock (in shares) | (15,736) | 0 | 0 | 0 | (15,736) | 157,360 | ||||
Common stock paid-in-kind dividends earned | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (118,020) | (118,020) |
Series B dividend paid in cash | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (7,212) | (7,212) |
Issuance of common stock for dividends paid-in-kind | 0 | 0 | 0 | 0 | 0 | 1,902 | 0 | 221,027 | (170,760) | 52,169 |
Issuance of common stock for dividends paid-in-kind (in shares) | 0 | 0 | 0 | 0 | 0 | 190,067 | ||||
Net loss | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (3,128,262) | (3,128,262) |
BALANCE at Dec. 31, 2010 | 2,621 | 887 | 0 | 0 | 3,508 | 27,118 | 1,248,909 | 12,095,237 | (11,565,263) | 1,809,509 |
BALANCE (in shares) at Dec. 31, 2010 | 262,135 | 88,711 | 0 | 0 | 350,846 | 2,711,750 | ||||
Stock-based compensation | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 121,974 | 0 | 121,974 |
Stock option exercises | 0 | 0 | 0 | 0 | 0 | 411 | 0 | 43,569 | 0 | 43,980 |
Stock option exercises (in shares) | 0 | 0 | 0 | 0 | 0 | 41,103 | ||||
Issuance of convertible preferred stock | 0 | 0 | 881 | 8 | 889 | 0 | 0 | 1,076,359 | 0 | 1,077,247 |
Issuance of convertible preferred stock (in shares) | 0 | 0 | 88,098 | 843 | 88,941 | 0 | ||||
Issuance of common stock for services | 0 | 0 | 0 | 0 | 0 | 200 | 0 | 16,800 | 0 | 17,000 |
Issuance of common stock for services (in shares) | 0 | 0 | 0 | 0 | 0 | 20,000 | ||||
Offering costs for issuance of preferred stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (794,012) | 0 | (794,012) |
Stock warrant exercise (in shares) | 0 | |||||||||
Issuance of warrants in connection short-term loans | 0 | 0 | 0 | 0 | 0 | 0 | 249,348 | 0 | 0 | 249,348 |
Issuance of stock in lieu of cash for Board of Director fees | 0 | 0 | 0 | 0 | 0 | 1,250 | 0 | 103,747 | 0 | 104,997 |
Issuance of stock in lieu of cash for Board of Director fees (in shares) | 0 | 0 | 0 | 0 | 0 | 124,996 | ||||
Warrant modifications | 0 | 0 | 0 | 0 | 0 | 0 | 704,844 | 0 | (704,844) | 0 |
Beneficial conversion of issued preferred stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,006,574 | (1,006,574) | 0 |
Conversion of preferred stock to common stock | (2,621) | (887) | 0 | (1) | (3,509) | 36,623 | 0 | (33,114) | 0 | 0 |
Conversion of preferred stock to common stock (in shares) | (262,135) | (88,711) | 0 | (100) | (350,946) | 3,662,336 | ||||
Common stock paid-in-kind dividends earned | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (164,904) | (164,904) |
Series B dividend paid in cash | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (65,543) | (65,543) |
Issuance of common stock for dividends paid-in-kind | 0 | 0 | 0 | 0 | 0 | 1,638 | 0 | 186,741 | 0 | 188,379 |
Issuance of common stock for dividends paid-in-kind (in shares) | 0 | 0 | 0 | 0 | 0 | 163,808 | ||||
Net loss | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | (2,996,312) | (2,996,312) |
BALANCE at Dec. 31, 2011 | $ 0 | $ 0 | $ 881 | $ 7 | $ 888 | $ 67,240 | $ 2,203,101 | $ 13,823,875 | $ (16,503,440) | $ (408,336) |
BALANCE (in shares) at Dec. 31, 2011 | 0 | 0 | 88,098 | 743 | 88,841 | 6,723,993 |