Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Deferred Assets (Detail)

v3.8.0.1
Income Taxes - Schedule of Deferred Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Components of Deferred Tax Assets and Liabilities [Abstract]    
Net operating loss $ 9,252 $ 8,974
Stock-based compensation 2,691  
Financing lease obligation 2,131  
Credits 735 592
Accrued Expenses 576 574
Other 8 81
Total deferred tax assets 15,393 10,221
Property and equipment (2,600) (53)
Deferred Revenue (1) 9
Total deferred tax liabilities (2,601) (44)
Less valuation allowance (12,792) (10,177)
Total $ 0 $ 0