Leases (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2022 USD ($) Tenant ft²	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Leased Assets [Abstract]
Operating lease - right of use assets		$ 1,047		$ 1,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Operating lease - right of use assets		Operating lease - right of use assets
Lease Liabilities [Abstract]
Operating lease liabilities - current		$ 1,227		$ 1,205
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Other current liabilities		Other current liabilities
Operating lease liabilities - Noncurrent		$ 502		$ 790
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Operating lease liabilities - Noncurrent		Operating lease liabilities - Noncurrent
Operating lease liability		$ 1,729		$ 1,995
Sublease Agreement [Abstract]
Sublease square feet | ft²		850
Sublease date		Sep. 13, 2021
Previously subleased square feet | ft²		3,650
Previous sublease date		May 01, 2019
Number of tenants | Tenant		2
Consolidated Statement of Operations Information [Abstract]
Operating lease cost	[1]	$ 186	$ 192
Short-term leases costs	[2]	15	16
Sublease income	[3]	(18)	(32)
Net lease cost		183	176
Minimum Lease Payments [Abstract]
2022 remainder		993
2023		675
2024		122
2025		10
2026		0
Total lease payments		1,800
Less: Interest		71
Present value of lease payments		$ 1,729		$ 1,995
Lease Term and Discount Rate [Abstract]
Weighted-average remaining lease term (in years)		1 year 6 months 29 days		1 year 9 months 18 days
Weighted-average discount rate		5.00%		5.00%
Other Information [Abstract]
Operating cash flows used in operating leases		$ 299	$ 327

[1] Includes variable lease costs which are immaterial.

[2] Includes leases maturing less than twelve months from the report date.

[3] Sublease portfolio consists of two tenants, which sublease parts of our principal executive office located at 1332 Londontown Blvd, Suite 200, Sykesville, MD.