National Holdings Corporation - future amortization of these intangible assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
Sep. 09, 2016 |
|---|---|---|---|
| Year Ended December 31, 2018 | $ 2,550 | ||
| Year Ended December 31, 2019 | 2,550 | ||
| Year Ended December 31, 2020 | 2,551 | ||
| Year Ended December 31, 2021 | 2,550 | ||
| Year Ended December 31, 2022 | 2,550 | ||
| Thereafter | 1,589 | ||
| Total | 14,340 | $ 15,991 | $ 16,500 |
| Customer Lists [Member] | |||
| Year Ended December 31, 2018 | 2,250 | ||
| Year Ended December 31, 2019 | 2,250 | ||
| Year Ended December 31, 2020 | 2,250 | ||
| Year Ended December 31, 2021 | 2,250 | ||
| Year Ended December 31, 2022 | 2,250 | ||
| Thereafter | 482 | ||
| Trademarks [Member] | |||
| Year Ended December 31, 2018 | 300 | ||
| Year Ended December 31, 2019 | 300 | ||
| Year Ended December 31, 2020 | 301 | ||
| Year Ended December 31, 2021 | 300 | ||
| Year Ended December 31, 2022 | 300 | ||
| Thereafter | $ 1,107 |
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. 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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