Quarterly report pursuant to Section 13 or 15(d)

Merger Agreement with National Holdings Corporation - Additional Information (Detail)

v3.5.0.2
Merger Agreement with National Holdings Corporation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Apr. 27, 2016
Jun. 30, 2016
Dec. 31, 2015
Merger Agreement with National Holdings Corporation [Line Items]      
Reimbursement Of Transaction Expenses $ 0.8    
Common Stock, par value   $ 0.001 $ 0.001
Parent [Member]      
Merger Agreement with National Holdings Corporation [Line Items]      
Merger Agreement Termination Fee $ 4.4    
National Holdings Corporation [Member]      
Merger Agreement with National Holdings Corporation [Line Items]      
Merger Agreement, Minimum percentage of Shares in Tender Offer to Completed Merger 80.00%    
Merger Agreement Termination Fee $ 1.8    
Common Stock, par value $ 0.02    
Business Acquisition, Share Price $ 3.25