Convertible Debt, Senior Convertible Promissory Note Offering (Details) - USD ($)		1 Months Ended	12 Months Ended
	Jun. 02, 2020	Jan. 31, 2020	Dec. 31, 2021	Jul. 31, 2020	Jul. 16, 2020	Jan. 09, 2020	Dec. 31, 2019	Dec. 20, 2019
Senior Notes [Abstract]
Exercise price of warrants (in dollars per share)					$ 9.60
Warrants to purchase common stock (in shares)					137,746
Placement Agent Warrants [Member]
Senior Notes [Abstract]
Exercise price of warrants (in dollars per share)				$ 9.60
Warrant expiration period			5 years
Warrants to purchase common stock (in shares)		19,973		137,746
Note Warrants [Member]
Senior Notes [Abstract]
Exercise price of warrants (in dollars per share)		$ 10.70
Warrant expiration period			5 years
Warrants to purchase common stock (in shares)		181,326
Promissory Note [Member]
Senior Notes [Abstract]
Aggregate principal amount								$ 8,000,000.0
Debt instrument, maturity date			Sep. 20, 2020
Debt instrument, interest rate								9.00%
Debt instrument, conversion price (in dollars per share)								$ 9.70
Carrying value of debt		$ 100,000
Amount outstanding			$ 0
Promissory Note [Member] | Edward J. Borkowski [Member]
Senior Notes [Abstract]
Aggregate principal amount	$ 100,000
Debt instrument, conversion price (in dollars per share)	$ 10.70
Interest expense	$ 4,900,000
Amortization of debt discount premium	1,500,000
Amortization of beneficial conversion feature	2,300,000
Amortization of debt issuance cost	800,000
Accrued interest expenses	$ 300,000
Note Investors [Member]
Senior Notes [Abstract]
Aggregate principal amount						$ 3,500,000	$ 3,400,000
Promissory NPA [Member]
Senior Notes [Abstract]
Percentage of common stock converted from debt instrument			50.00%
Exercise price of warrants (in dollars per share)			$ 10.70
Warrant expiration period			5 years
Common stock issued upon conversion warrants			$ 237,435
Promissory Note Offering [Member]
Senior Notes [Abstract]
Placement agent fees paid		$ 277,000
Percentage of principal amount issued by placement agent		9.00%
Percentage of non-accountable expense allowance		1.00%
Promissory Note Offering [Member] | Placement Agent Warrants [Member]
Senior Notes [Abstract]
Warrants to purchase common stock (in shares)		19,973
Promissory Note Offering [Member] | Placement Agent Warrants, Exercise Price 12.10 [Member]
Senior Notes [Abstract]
Exercise price of warrants (in dollars per share)		$ 12.10
Warrants to purchase common stock (in shares)		4,150
Promissory Note Offering [Member] | Placement Agent Warrants, Exercise Price 14.20 [Member]
Senior Notes [Abstract]
Exercise price of warrants (in dollars per share)		$ 14.20
Warrants to purchase common stock (in shares)		15,824
Promissory Note Offering [Member] | Note Warrants [Member]
Senior Notes [Abstract]
Debt instrument, fair value		$ 2,400,000
Beneficial conversion feature of debt		1,800,000
Debt issuance costs		$ 500,000