Leases (Details) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2020 USD ($) Squarefeet Tenant	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Operating Lease, Description [Abstract]
Sublease square feet | Squarefeet		3,650
Sublease date		May 01, 2019
Previously subleased square feet | Squarefeet		3,822
Previous sublease date		Apr. 01, 2017
Number of tenants | Tenant		2
Leased Assets [Abstract]
Operating lease - right of use assets		$ 2,053		$ 2,215
Lease Liabilities [Abstract]
Operating lease liabilities - Current		1,159		1,153
Operating lease liabilities - Noncurrent		2,704		3,000
Operating lease liability		3,863		4,153
Consolidated Statement of Operations Information [Abstract]
Operating lease cost	[1]	321	$ 228
Short-term leases costs	[2]	1	38
Sublease income	[3]	(32)	(16)
Net lease cost		290	250
Minimum Lease Payments [Abstract]
2020		995
2021		1,292
2022		1,184
2023		622
2024		106
After 2024		0
Total lease payments		4,199
Less: Interest		336
Operating lease liability		$ 3,863		$ 4,153
Lease Term and Discount Rate [Abstract]
Weighted-average remaining lease term (in years)		3 years 3 months 11 days		3 years 6 months 4 days
Weighted-average discount rate		5.00%		5.00%
Other Information [Abstract]
Operating cash flows used in operating leases		$ 339	235
Cash paid for amounts included in measurement of liabilities		$ 339	$ 235
Minimum [Member]
Lessee, Operating Lease, Description [Abstract]
Remaining operating lease terms		1 year
Renewal option period		1 year
Maximum [Member]
Lessee, Operating Lease, Description [Abstract]
Remaining operating lease terms		5 years
Renewal option period		5 years

[1] Includes variable lease costs which are immaterial.

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

[3] Sublease portfolio consists of 2 tenants, which sublease parts of our principal executive office located at 1332 Londontown Blvd, Suite 200, Sykesville, MD.