National Holdings Corporation - gross carrying amounts related to acquired intangible assets (Detail) - USD ($) $ in Thousands |
4 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Intangible assets | $ 16,500 | $ 15,991 | ||
| Amortization expense | (509) | (1,651) | $ 0 | $ 0 |
| Intangible assets | $ 15,991 | $ 14,340 | $ 15,991 | |
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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