Quarterly report pursuant to Section 13 or 15(d)

The Company - Additional Information (Detail)

v3.7.0.1
The Company - Additional Information (Detail)
3 Months Ended
Jan. 26, 2017
USD ($)
Mar. 31, 2017
USD ($)
Segment
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]          
Number of reportable segments | Segment   1      
Revenue from sales taxes   $ 700,000 $ 900,000    
Line of credit facility, maximum borrowing amount $ 50,000,000        
Line of credit facility, maturity date Jan. 26, 2020        
Liquidity   6,300,000   $ 1,900,000  
Cash and cash equivalents   1,169,000 $ 1,290,000 883,000 $ 219,000
Additional borrowing capacity under the Revolving Credit Facility   5,100,000   1,000,000  
Working capital   $ 49,800,000   $ 51,300,000