CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2018	$ 240,463	$ 616,559,938	$ (519,276,280)	$ 97,524,121
Beginning balance, shares at Dec. 31, 2018	240,462,439
Shares issued for exercise of options and warrants, net	$ 759	99,348		100,107
Shares issued for exercise of options and warrants, net (in shares)	759,401
Share-based compensation		2,575,369		2,575,369
Net loss			(39,506,375)	(39,506,375)
Ending balance, value at Mar. 31, 2019	$ 241,222	619,234,655	(558,782,655)	60,693,222
Ending balance, shares at Mar. 31, 2019	241,221,840
Beginning balance, value at Dec. 31, 2019	$ 271,177	704,351,222	(695,421,279)	$ 9,201,120
Beginning balance, shares at Dec. 31, 2019	271,177,076			271,177,076
Share-based compensation		2,366,453		$ 2,366,453
Net loss			(56,848,802)	(56,848,802)
Ending balance, value at Mar. 31, 2020	$ 271,678	706,789,283	(752,270,081)	$ (45,209,120)
Ending balance, shares at Mar. 31, 2020	271,677,742			271,677,742
Shares issued for exercise of options, net	$ 351	71,758		$ 72,109
Shares issued for exercise of options, net (in shares)	350,666
Issuance of shares from release of restricted stock	$ 150	$ (150)
Issuance of shares from release of restricted stock (in shares)	150,000