Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation - Additional Information (Detail)

v3.5.0.2
Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Aug. 08, 2016
Sep. 30, 2016
Dec. 31, 2015
Description Of Business And Basis Of Presentation [Line Items]      
Proceeds from equity offering, net of expenses   $ 9,541  
Working capital   20,800  
Cash and cash equivalents, including restricted cash   12,900  
Net accounts receivable   $ 9,938 $ 8,948
Private Placement      
Description Of Business And Basis Of Presentation [Line Items]      
Aggregate unregistered shares 88,494    
Number of warrants to purchase aggregate unregistered shares of common stock 2,035,398    
Price per share of unregistered shares of common stock $ 2.00    
Conversion of stock, each shares issued 100    
Stock conversion, price $ 1.13    
Conversion of stock, shares issued   8,849,400  
Proceeds from equity offering, gross   $ 10,000  
Payments of stock issuance costs   500  
Proceeds from equity offering, net of expenses   $ 9,500  
Warrants exercisable date Feb. 08, 2017    
Warrants exercisable of private placement term expiration period 5 years