Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Net Accumulated Deferred Income Tax Assets (Liabilities) (Detail)

v3.8.0.1
Income Taxes - Components of Net Accumulated Deferred Income Tax Assets (Liabilities) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Deferred tax assets (liabilities):    
Stock-based compensation $ 587 $ 264
Depreciation and amortization (318)  
Depreciation and amortization   43
Section 181 qualified production expense (1,933) (2,550)
Net operating loss carryforward 6,012  
Charitable carryforward 278  
Other 342 737
Tax credits 276 953
Valuation allowance (5,907)  
Total deferred tax liabilities, net of valuation allowance $ (663) $ (553)