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Condensed Consolidated Statement of Changes in Convertible Preferred Stock and Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 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 $ 11,668 (11,668)  
Issuance of common stock to Series A convertible preferred stockholders under make-whole adjustment feature (in shares)   11,668,421        
Issuance of common stock related to accrued dividends $ 1,032 1,147,275   1,148,307
Issuance of common stock related to accrued dividends (in shares)   1,032,219        
Series A cumulative preferred dividends     (85,993)   $ (85,993) (85,993)
Issuance of common stock and warrants, net of issuance costs $ 15,000 10,402,520   10,417,520
Issuance of common stock and warrants, net of issuance costs (in shares)   15,000,000        
Common stock issued for advisory services $ 45 24,955   25,000
Common stock issued for advisory services (in shares)   45,454        
Stock-based compensation expense     971,832     971,832
Net loss       (12,798,872)   (12,798,872)
Balance (in shares) at Sep. 30, 2018   50,572,001        
Balance at Sep. 30, 2018   $ 50,571 $ 95,210,928 $ (74,353,761)   $ 20,907,738