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Debt - Iliad Note (Details) - USD ($)			1 Months Ended	12 Months Ended
	Dec. 01, 2020	Nov. 25, 2019	Jan. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Mar. 29, 2019
Debt Instrument [Line Items]
Stated interest rate						5.00%
Percent proceeds to be paid to Lender			10.00%
Gross proceeds from equity issuance			$ 275,000
Payments on the Iliad Note				$ 1,306,000	$ 0
Note Purchase Agreement
Debt Instrument [Line Items]
Principal amount		$ 1,300,000
Original issue discount		142,000
Proceeds from issuance		1,100,000
Debt issuance costs		$ 15,000
Repayments of debt	$ 30,000
Write off of remaining related debt and acquisition cost	$ 117,000
Stated interest rate		8.00%
Prepayment premium		15.00%
Redemption amount		$ 150,000
Percent proceeds to be paid to Lender		10.00%
Payments on the Iliad Note				$ 226,000
Total liability					1,300,000
Unamortized discount (premium) and issuance costs					$ 200,000
Note Purchase Agreement | Year Two
Debt Instrument [Line Items]
Prepayment premium		10.00%

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