Condensed Consolidated Statements Of Stockholders' Equity (Unaudited) - USD ($) |
Preferred Stock |
Common Stock [Member] |
Additional Paid-In Capital [Member] |
Accumulated Deficit [Member] |
Other Comprehensive Income / Loss |
Treasury Stock |
Total |
|---|---|---|---|---|---|---|---|
| Beginning balance, shares at Dec. 31, 2018 | 2,774,394 | 810,856 | |||||
| Beginning balance, value at Dec. 31, 2018 | $ 2,774 | $ 811 | $ 168,170,244 | $ (153,233,595) | $ 253,734 | $ (5,281,180) | $ 9,912,788 |
| Issuance of common stock and warrants in registered direct offering, net of issuance costs, shares | 86,667 | ||||||
| Issuance of common stock and warrants in registered direct offering, net of issuance costs, value | $ 87 | 2,698,963 | 2,699,050 | ||||
| Deemed dividend related to Series B Preferred Stock down round provision | 3,879,447 | 3,879,447 | |||||
| Accretion of deemed dividend related to Series B Preferred Stock down round provision | (3,879,447) | (3,879,447) | |||||
| Share-based expense | 216,513 | 216,513 | |||||
| Common stock awards to vendors | 17,427 | 17,427 | |||||
| Net loss | (1,327,250) | (1,327,250) | |||||
| Ending balance, shares at Mar. 31, 2019 | 2,774,394 | 897,523 | |||||
| Ending balance, value at Mar. 31, 2019 | $ 2,774 | $ 898 | 171,103,147 | (154,560,845) | 253,734 | (5,281,180) | 11,518,528 |
| Beginning balance, shares at Dec. 31, 2019 | 2,774,394 | 6,092,432 | |||||
| Beginning balance, value at Dec. 31, 2019 | $ 2,774 | $ 6,092 | 188,240,451 | (166,008,620) | 253,734 | (5,281,180) | 17,213,251 |
| Exercise of purchase warrants, shares | 219,474 | ||||||
| Exercise of purchase warrants, value | $ 219 | (219) | 0 | ||||
| Share-based expense | 165,598 | 165,598 | |||||
| Net loss | (1,179,249) | (1,179,429) | |||||
| Ending balance, shares at Mar. 31, 2020 | 2,774,394 | 6,311,906 | |||||
| Ending balance, value at Mar. 31, 2020 | $ 2,774 | $ 6,311 | $ 188,405,830 | $ (167,188,049) | $ 253,734 | $ (5,281,180) | $ 16,199,420 |