v3.19.1
Consolidated Statements of Operations (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenue:    
Total revenue $ 510,240 $ 610,774
Costs and expenses:    
Cost of products and services 309,712 324,789
Research and development 264,704 324,976
Selling and marketing 188,215 274,468
General and administrative 1,144,421 794,605
Total operating costs and expenses 1,907,052 1,718,838
Operating loss (1,396,812) (1,108,064)
Other (expense) income:    
Interest expense, net (512,706) (872,328)
Other expense (104,845) (250,817)
Impairment loss on investment (4,730)
(Loss) Gain on extinguishment of debt (40,810) 4,285
Total other expense (658,361) (1,123,590)
Net loss (2,055,173) (2,231,654)
Deemed dividends on beneficial conversion feature (1,060,199)
Preferred stock dividends (355,610)
Net loss attributable to common shareholders $ (3,470,982) $ 2,231,654
Net loss per share - basic and diluted $ (2.01) $ (1.64)
Weighted average common stock shares outstanding used in the basic and diluted net loss per share calculation 1,723,557 1,363,326
Products, Services, Other [Member]    
Revenue:    
Total revenue $ 510,240 $ 585,244
Grant Revenue [Member]    
Revenue:    
Total revenue $ 25,530

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