National Holdings Corporation Acquisition – Intangible Assets - Amortization is calculated using the straight-line method over the estimated useful lives (Detail) |
6 Months Ended |
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Jun. 30, 2017 | |
Trademarks [Member] | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 10 years |
Customer Lists [Member] | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 10 years |