Subsequent Events (Details) - USD ($)	1 Months Ended		12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Dec. 31, 2019	Dec. 31, 2018	Mar. 10, 2020	Jul. 26, 2019
Subsequent Event [Abstract]
Public offering price (in dollars per share)						$ 5.76
Proceeds from issuance of shares, gross		$ 750,000	$ 750,000	$ 1,280,000
Subsequent Event [Member]
Subsequent Event [Abstract]
Number of shares sold (in shares)	10,000,000
Public offering price (in dollars per share)	$ 1.30
Proceeds from issuance of shares, gross	$ 13,000,000
Proceeds from issuance of shares, net	$ 11,900,000
Term of sublease agreement					40 months
Subsequent Event [Member] | Over-Allotment Option [Member]
Subsequent Event [Abstract]
Number of shares sold (in shares)	769,230