Annual report pursuant to Section 13 and 15(d)

Restatement of previously issued financial statements (unaudited) (Details 3)

Restatement of previously issued financial statements (unaudited) (Details 3) - USD ($)	3 Months Ended			12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cumulative effect of change in accounting principle related to accounting for leases					$ (77,866)
Stock issued per resignation agreements, amount					118,540
Issuance of stock options				$ 1,163,168	898,207
Extension of certain stock option expiration					745,989
Issuance of warrants, recorded as discount on convertible notes payable					485,640
Net loss				$ (5,825,622)	(6,097,286)
Stock issued upon cashless warrant exercise, amount					$ 0
Total [Member] \| Restated [Member]
Shares Outstanding, amount, Begining balance	$ (7,131,710)	$ (6,345,537)	$ (8,621,096)
Cumulative effect of change in accounting principle related to accounting for leases			(77,866)
Capital contribution			3,412,204
Stock issued per resignation agreements, amount		118,540
Issuance of stock options		898,207
Extension of certain stock option expiration		745,989
Issuance of warrants, recorded as discount on convertible notes payable	136,320	197,664
Net loss	(803,658)	(2,746,573)	(1,058,779)
Shares Outstanding, amount, Ending balance	(7,799,048)	(7,131,710)	(6,345,537)			$ (8,621,096)
Common Stock [Member] \| Restated [Member]
Shares Outstanding, amount, Begining balance	76,747	76,710	76,246
Stock issued per resignation agreements, amount		464
Shares Outstanding, amount, Ending balance	$ 76,747	$ 76,710	$ 76,246			$ 76,246
Shares Outstanding,shares, Begining balance	76,747,750	76,710,630	76,246,113			76,246,113
Stock issued per resignation agreements, shares		$ 464,517
Stock issued upon cashless warrant exercise, shares	37,120
Stock issued upon cashless warrant exercise, amount	$ 37
Shares Outstanding,shares, Ending balance	76,747,750	76,710,630	76,246,113
Accumulated (Deficit) [Member] \| Restated [Member]
Shares Outstanding, amount, Begining balance	$ (55,366,550)	$ (52,619,977)	$ (51,483,332)
Cumulative effect of change in accounting principle related to accounting for leases			(77,866)
Capital contribution			0
Net loss	(803,658)	(2,746,573)	(1,058,779)
Shares Outstanding, amount, Ending balance	(56,170,208)	(55,366,550)	(52,619,977)			$ (51,483,332)
Additional Paid in Capital [Member] \| Restated [Member]
Shares Outstanding, amount, Begining balance	48,158,130	46,198,194	42,785,990
Capital contribution			3,412,204
Stock issued per resignation agreements, amount		118,076
Issuance of stock options		898,207
Extension of certain stock option expiration		745,989
Issuance of warrants, recorded as discount on convertible notes payable	136,320	197,664
Shares Outstanding, amount, Ending balance	48,294,413	$ 48,158,130	$ 46,198,194			$ 42,785,990
Stock issued upon cashless warrant exercise, amount	$ (37)