Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Beginning balance, shares at Dec. 31, 2018	2,678,909	68,227,171
Beginning balance, amount at Dec. 31, 2018	$ 26,788	$ 682,271	$ 36,406,874	$ (25,691,099)	$ 11,424,834
Issuance of common stock to chief financial officer for services, shares		200,000
Issuance of common stock to chief financial officer for services, amount		$ 2,000	134,000		136,000
Issuance of common stock to directors for services, shares		330,183
Issuance of common stock to directors for services, amount		$ 3,302	171,698		175,000
Issuance of common stock and warrants for cash, net of offering costs, shares		904,082
Issuance of common stock and warrants for cash, net of offering costs, amount		$ 9,041	395,158		404,199
Net income (loss)				(3,672,891)	(3,672,891)
Ending balance, shares at Dec. 31, 2019	2,678,909	69,661,436
Ending balance, amount at Dec. 31, 2019	$ 26,788	$ 696,614	37,107,730	(29,363,990)	8,467,142
Issuance of common stock upon exercise of warrants, shares		250,000
Issuance of common stock upon exercise of warrants, amount		$ 2,500	60,000		62,500
Issuance of common stock to directors for services, shares		295,463
Issuance of common stock to directors for services, amount		$ 2,954	127,529		130,483
Issuance of common stock and warrants for cash, net of offering costs, shares		5,742,858
Issuance of common stock and warrants for cash, net of offering costs, amount		$ 57,428	1,952,572		2,010,000
Common stock issuance costs			(196,932)		(196,932)
Net income (loss)				(3,286,804)	(3,286,804)
Ending balance, shares at Dec. 31, 2020	2,678,909	75,949,757
Ending balance, amount at Dec. 31, 2020	$ 26,788	$ 759,496	$ 39,050,899	$ (32,650,794)	$ 7,186,389