Liquidity (Details) - USD ($)			1 Months Ended	3 Months Ended
	Aug. 13, 2020	Jul. 29, 2019	Feb. 29, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Jul. 31, 2020	Jul. 26, 2019
Liquidity [Abstract]
Cash and cash equivalents				$ 25,037,374		$ 28,839,565
Percentage of shares of common stock that can be sold without shareholder approval		19.99%
Share price (in dollars per share)								$ 5.76
Issuance of common stock from equity transaction (in shares)		100,654
Issuance of common stock from equity transaction		$ 603,924
Shares sold under common stock purchase agreement (in shares)				0
Issuance of common stock (in shares)	6,900,000		10,000,000
Sales price (in dollars per share)	$ 2.75		$ 1.30
Proceeds from issuance of shares	$ 19,000,000		$ 13,000,000	$ 0	$ 11,970,002
Proceeds from issuance of shares, net of underwriting discounts and commissions	$ 17,100,000		$ 11,900,000
Registered securities in Shelf Registration Statement available for future sale							$ 100,000,000
Shelf securities available for sale				$ 81,000,000
Over-Allotment Option [Member]
Liquidity [Abstract]
Issuance of common stock (in shares)	900,000		769,230
Maximum [Member]
Liquidity [Abstract]
Shares of common stock to be purchased (in shares)		100,000
Common stock to be purchased under common stock purchase agreement		$ 20,000,000
Shares of common stock that can be sold without shareholder approval (in shares)		1,034,979
Minimum [Member]
Liquidity [Abstract]
Share price (in dollars per share)								$ 0.50