National Holdings Corporation Acquisition - Intangible Assets - future amortization of these intangible assets (Detail) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Total | $ 14,400 | $ 15,223 |
| National Holdings Corporation [Member] | ||
| Nine Months Ended December 31, 2018 | 2,110 | |
| Year Ended December 31, 2019 | 2,800 | |
| Year Ended December 31, 2020 | 2,807 | |
| Year Ended December 31, 2021 | 2,800 | |
| Year Ended December 31, 2022 | 2,026 | |
| Thereafter | 1,107 | |
| Total | 13,650 | |
| Customer Lists [Member] | ||
| Nine Months Ended December 31, 2018 | 1,884 | |
| Year Ended December 31, 2019 | 2,500 | |
| Year Ended December 31, 2020 | 2,506 | |
| Year Ended December 31, 2021 | 2,500 | |
| Year Ended December 31, 2022 | 1,726 | |
| Thereafter | 0 | |
| Total | 11,116 | |
| Trademarks [Member] | ||
| Nine Months Ended December 31, 2018 | 226 | |
| 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 | |
| Total | $ 2,534 |
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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 in the remainder of the 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 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 after 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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