Liquidity (Details) - USD ($)			1 Months Ended	6 Months Ended
	Aug. 13, 2020	Jul. 29, 2019	Feb. 29, 2020	Jun. 30, 2020	Jun. 30, 2019	Jul. 22, 2020	Dec. 31, 2019	Jul. 31, 2019	Jul. 26, 2019
Liquidity [Abstract]
Cash and cash equivalents				$ 16,934,495			$ 12,161,739
Net proceeds from sale of common stock				$ 12,800,000
Term of common stock purchase agreement				30 months
Percentage of shares of common stock that can be sold without shareholder approval								19.99%
Share price (in dollars per share)			$ 1.30						$ 5.76
Issuance of common stock from equity transaction (in shares)		100,654
Shares sold under common stock purchase agreement (in shares)				0
Issuance of common stock (in shares)			10,000,000
Proceeds from issuance of shares			$ 13,000,000	$ 11,970,002	$ 750,000
Proceeds from issuance of shares, net of underwriting discounts and commissions			$ 11,900,000
Subsequent Event [Member]
Liquidity [Abstract]
Share price (in dollars per share)	$ 2.75
Registered securities in Shelf Registration Statement						$ 100,000,000
Issuance of common stock (in shares)	6,900,000
Proceeds from issuance of shares	$ 19,000,000
Proceeds from issuance of shares, net of underwriting discounts and commissions	17,100,000
Registered securities in Shelf Registration Statement available for future sale	$ 81,000,000
Over-Allotment Option [Member]
Liquidity [Abstract]
Issuance of common stock (in shares)			769,230
Over-Allotment Option [Member] | Subsequent Event [Member]
Liquidity [Abstract]
Issuance of common stock (in shares)	900,000
Maximum [Member]
Liquidity [Abstract]
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
Edge [Member]
Liquidity [Abstract]
Pre-existing cash				$ 29,106,513			$ 29,106,513