Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2017	$ 2,165,749	$ 1,541	$ 73,202,863	$ (71,038,655)
Beginning Balance, Shares at Dec. 31, 2017		15,413,610
Stock-based compensation expense	393,775		393,775
Issuance of common stock, net	544,643	$ 27	544,616
Issuance of common stock, shares net		268,870
Reclassification of warrant liability due to warrant amendment	3,267,885		3,267,885
Net loss	(1,982,786)			(1,982,786)
Ending Balance at Mar. 31, 2018	4,389,266	$ 1,568	77,409,139	(73,021,441)
Ending Balance, Shares at Mar. 31, 2018		15,682,480
Beginning Balance at Dec. 31, 2018	$ 4,025,320	$ 1,743	82,628,312	(78,604,735)
Beginning Balance, Shares at Dec. 31, 2018	17,427,533	17,427,533
Stock-based compensation expense	$ 378,959		378,959
Issuance of common stock, net	636,432	$ 45	636,387
Issuance of common stock, shares net		450,000
Net loss	(1,965,266)			(1,965,266)
Ending Balance at Mar. 31, 2019	$ 3,075,445	$ 1,788	$ 83,643,658	$ (80,570,001)
Ending Balance, Shares at Mar. 31, 2019	17,877,533	17,877,533