Leases (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2019 USD ($) Squarefeet	Dec. 31, 2018 USD ($)
Lessee, Operating Lease, Description [Abstract]
Sublease date		Apr. 01, 2017
Sublease square feet | Squarefeet		3,822
Leased Assets [Abstract]
Operating lease - right of use assets		$ 4,331	$ 0
Lease Liabilities [Abstract]
Operating lease liabilities - Current		1,088
Operating lease liabilities		3,703	$ 0
Operating lease liability		4,791
Consolidated Statement of Operations Information [Abstract]
Operating lease cost	[1]	228
Short-term leases costs	[2]	38
Sublease income	[3]	(16)
Net lease cost		250
Minimum Lease Payments [Abstract]
2019		986
2020		1,246
2021		1,216
2022		1,157
2023		622
After 2023		107
Total lease payments		5,334
Less: Interest		543
Operating lease liability		$ 4,791
Lease Term and Discount Rate [Abstract]
Lessee, Operating Lease, Remaining Lease Term		4 years 5 months 8 days
Weighted average discount rate		5.00%
Supplemental Cash Flow Information Other Information [Abstract]
Operating cash flows used in operating Leases		$ 235
Cash paid for amounts included in measurement of liabilities		235
Right-of-use assets obtained in exchange for new operating liabilities		$ 1,777
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		6 years
Renewal option period		5 years

[1] Includes variable lease costs which are immaterial.

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

[3] Sublease portfolio consists of the sublease part of our principal executive office located at 1332 Londontown Blvd, Suite 200, Sykesville, MD.