Annual report pursuant to Section 13 and 15(d)

Income Taxes - Variations from Federal Statutory Rate (Detail)

v3.6.0.2
Income Taxes - Variations from Federal Statutory Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Expected federal income tax expense (benefit) at statutory rate of 34% $ (5,755) $ (3,068) $ (3,348)
Effect of permanent other differences 212 44  
Difference in basis for sale of discontinued operations (347)    
State income tax benefit, net of federal benefit tax assets (254) (135) (148)
Valuation allowance   3,156 $ 3,496
Total income tax benefit $ (6,144) $ (3)