Credit Agreement and Guaranty - Carrying Amount Of term Loan (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Credit Agreement and Guaranty
Notes payable	$ 2,850,000		$ 2,850,000		$ 20,000,000
Debt issuance costs	(266,000)		(266,000)		(550,000)
Warrant discount	(1,266,000)		(1,266,000)		(2,617,000)
Total	1,318,000		1,318,000		16,833,000
Less, current portion	1,318,000		1,318,000		$ 16,833,000
Warrants and debt issue costs	$ 838,000	$ 399,000	$ 1,635,000	$ 1,132,000