Notes Payable - Schedule of long-term debt, net of original issue discount and unamortized debt issuance costs (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Term Loans:
Total term loans	$ 21,466	$ 20,736
Less unamortized debt issuance costs and original issue discounts	(977)	(1,654)
Less convertible notes payable, net of unamortized debt discount and issuance costs	(4,763)	(4,598)
Notes payable	$ 15,726	14,484
Maryland DHCD (commenced 2019) [Member]
Term Loans:
Interest Rate	8.00%
Total term loans	$ 644	614
Maryland DHCD (commenced 2022)
Term Loans:
Interest Rate	6.00%
Total term loans	$ 694	0
Advance Cecil, Inc. (commenced 2019)
Term Loans:
Interest Rate	8.00%
Total term loans	$ 128	122
Avenue Venture Opportunities Fund, L.P. (commenced 2021)
Term Loans:
Interest Rate	12.85%
Total term loans	$ 20,000	$ 20,000