Quarterly report pursuant to Section 13 or 15(d)

National Holdings Corporation - Additional Information (Detail)

v3.7.0.1
National Holdings Corporation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
1 Months Ended 3 Months Ended
Apr. 27, 2016
Mar. 31, 2017
Dec. 31, 2016
Sep. 09, 2016
Business Combination, Consideration Transferred   $ 22,872    
Common Stock Par Or Stated Value Per Share   $ 0.001 $ 0.001  
Goodwill   $ 18,645 $ 18,645  
National Holdings Corporation [Member]        
Business Acquisition, Percentage of Voting Interests Acquired 56.60% 56.60%   56.60%
Business Acquisition, Share Price $ 3.25     $ 3.25
Number Of Shares Tendered 7      
Business Combination, Consideration Transferred $ 22,900      
Common Stock Par Or Stated Value Per Share $ 0.02     $ 0.02