Basis of Presentation and Significant Accounting Policies - Schedule of Recognition of Adoption (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets	$ 1,502	$ 1,566
Current portion of operating lease obligations	281	272
Operating lease long term lease obligations	1,330	1,403
Current portion of financing lease obligations			$ 123
Current portion of financing lease obligations	$ 128	123
Deferred rent			109
Financing lease liabilities			$ 140
Financing lease liabilities		140
New Lease Standard Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets		1,566
Current portion of operating lease obligations		272
Operating lease long term lease obligations		1,403
Deferred rent		$ (109)