Preferred Stock - Series C Convertible Preferred Stock (Details) - USD ($)	1 Months Ended		6 Months Ended	12 Months Ended
	Oct. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Dec. 31, 2020	Dec. 31, 2021	Aug. 28, 2018
Number of securities issued on conversion						9,580
Carrying amount in excess of fair value amount				$ 2,500,000
Warrants and Rights Outstanding					$ 1,000
Series A
Preferred stock, shares outstanding		5,524,926
Series C perpetual preferred stock
Preferred stock, shares outstanding			0		0
Carrying value
Percentage of cumulative stock dividends eligible to receive			10.00%
Number of consecutive months			24 months
Fair value of preferred stock			$ 4,700,000
Iliad | Series C perpetual preferred stock
Number of shares issued for each convertible preferred stock		842,500
Preferred stock, par value (in dollars per share)	$ 0.0003	$ 0.0001
Accreted value		$ 11,200,000
Gross proceeds from the issuance of common stock		2,300,000
Carrying value		$ 2,600,000
Percentage increase in the outstanding balance		5.00%
Exchange Agreement with Iliad
Shares issued on conversion	83,333			2,734,626
Exchange Agreement with Iliad | Series C perpetual preferred stock
Shares converted	285,000			573,810
Pre-funded Warrants | Exchange Agreement with Iliad
Number of securities issued on conversion	2,352,563
Pre-funded Warrants | Exchange Agreement with Iliad | Series C perpetual preferred stock
Warrants and Rights Outstanding				$ 1,000