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Debt - Iliad Note (Details) - USD ($)		1 Months Ended			3 Months Ended		6 Months Ended
	Nov. 25, 2019	Apr. 30, 2021	Dec. 31, 2020	Jan. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Purchase price		$ 1,500,000
Percentage of gross proceeds used to make payments on note				10.00%
Gross proceeds				$ 275,000
Payments on the Iliad Note					$ 0	$ 300,000	$ 0	$ 526,000
Iliad Note
Debt Instrument [Line Items]
Principal amount	$ 1,300,000
Issue discount	142,000
Purchase price	1,100,000
Unamortized debt issuance costs	$ 15,000
Write off of remaining issuance costs			$ 117,000
Interest rate	8.00%
Percentage of gross proceeds used to make payments on note	10.00%
Payments on the Iliad Note				$ 226,000
Total liability, net of discount and financing fees						600,000		600,000
Unamortized issuance costs at date of issuance						$ 200,000		$ 200,000

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