Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2018	$ 58,666,575	$ 4,059	$ 177,621,807	$ (118,959,291)
Balance, Shares at Dec. 31, 2018		40,588,004
Cumulative effect of change in accounting principle			5,717	(5,717)
Stock-based compensation expense	621,685		621,685
Net and comprehensive loss	(8,492,825)			(8,492,825)
Balance at Mar. 31, 2019	50,795,435	$ 4,059	178,249,209	(127,457,833)
Balance, Shares at Mar. 31, 2019		40,588,004
Balance at Dec. 31, 2019	36,535,343	$ 4,059	178,766,806	(142,235,522)
Balance, Shares at Dec. 31, 2019		40,588,004
Issuance of warrants	62,347		62,347
Stock-based compensation expense	327,467		327,467
Net and comprehensive loss	(3,918,663)			(3,918,663)
Balance at Mar. 31, 2020	$ 33,006,494	$ 4,059	$ 179,156,620	$ (146,154,185)
Balance, Shares at Mar. 31, 2020		40,588,004