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Condensed Consolidated Statement of Changes in Convertible Preferred Stock and Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($)
Preferred Stock [Member]
Series A Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Series A Preferred Stock [Member]
Total
Balance (in shares) at Dec. 31, 2017 8,306,278 14,519,629        
Balance at Dec. 31, 2017   $ 14,520 $ 82,770,313 $ (61,554,889)   $ 21,229,944
Conversion of Series A convertible preferred stock to common stock (in shares) (8,306,278) 8,306,278        
Conversion of Series A convertible preferred stock to common stock   $ 8,306 (8,306)      
Issuance of common stock to Series A convertible preferred stockholders under make-whole adjustment feature (in shares) 11,668,421        
Issuance of common stock to Series A convertible preferred stockholders under make-whole adjustment feature $ 11,668 (11,668)  
Issuance of common stock related to accrued dividends (in shares) 1,032,219        
Issuance of common stock related to accrued dividends $ 1,032 1,147,275   1,148,307
Series A cumulative preferred dividends     (85,993)   $ (85,993) (85,993)
Issuance of common stock and warrants, net of issuance costs (in shares) 15,000,000        
Issuance of common stock and warrants, net of issuance costs $ 15,000 10,402,520   10,417,520
Stock-based compensation expense     324,667     324,667
Net loss       (3,313,961)   (3,313,961)
Balance (in shares) at Mar. 31, 2018   50,526,547        
Balance at Mar. 31, 2018   $ 50,526 $ 94,538,808 $ (64,868,850)   $ 29,720,484