Income taxes (Tables)
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12 Months Ended |
Mar. 31, 2020 |
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| Income Tax Disclosure [Abstract] |
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| Schedule of Components of Income (Loss) Before Income Taxes |
The components of income (loss) before provision for income taxes are as follows (in thousands): | | | | | | | | | | | | | | | | | | Year ended
March 31, | | Three months ended March 31,
(transition period) | | Year ended
December 31, | | 2020 | | 2019 | | 2018 | | 2017 | Domestic | $ | 24,479 |
| | $ | (21,673 | ) | | $ | 17,405 |
| | $ | 22,409 |
| Foreign | (410 | ) | | 500 |
| | 551 |
| | 60 |
| Total | $ | 24,069 |
| | $ | (21,173 | ) | | $ | 17,956 |
| | $ | 22,469 |
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| Schedule of Components of (Provision) Benefit for Income Taxes |
The components of the benefit (provision) for income taxes are as follows (in thousands): | | | | | | | | | | | | | | | | | | Year ended March 31, | | Three months ended March 31,
(transition period) | | Year ended
December 31, | | 2020 | | 2019 | | 2018 | | 2017 | Current: | |
| | | | | | | U.S. federal | $ | (2,681 | ) | | $ | (13 | ) | | $ | (2,414 | ) | | $ | (2,058 | ) | State | (1,066 | ) | | (139 | ) | | (948 | ) | | (369 | ) | Foreign | 5 |
| | (22 | ) | | (8 | ) | | — |
| Total current | (3,742 | ) | | (174 | ) | | (3,370 | ) | | (2,427 | ) | Deferred: | |
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| U.S. federal | (2,532 | ) | | 3,096 |
| | 1,005 |
| | 13,246 |
| State | 99 |
| | 368 |
| | 101 |
| | (21 | ) | Foreign | (10 | ) | | (31 | ) | | (167 | ) | | 208 |
| Total deferred | (2,443 | ) | | 3,433 |
| | 939 |
| | 13,433 |
| Total (provision) benefit for income taxes | $ | (6,185 | ) | | $ | 3,259 |
| | $ | (2,431 | ) | | $ | 11,006 |
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| Schedule of Reconciliation of Federal Statutory Rate to Company's Effective Tax Rate |
The following table presents a reconciliation of the federal statutory rate to the Company’s effective tax rate: | | | | | | | | | | | | | | Year ended March 31, | | Three months ended March 31,
(transition period) | | Year ended
December 31, | | 2020 | | 2019 | | 2018 | | 2017 | Federal statutory rate | 21.0 | % | | 21.0 | % | | 21.0 | % | | 35.0 | % | Federal tax deferred rate change | — | % | | — | % | | — | % | | (53.8 | )% | State tax, net of federal benefit | 3.7 | % | | 1.2 | % | | 2.6 | % | | 0.6 | % | State tax deferred rate change, net of federal benefit | 0.1 | % | | — | % | | 0.9 | % | | 0.9 | % | Nondeductible business expenses
| 0.8 | % | | (0.1 | )% | | 1.4 | % | | — | % | Provision-to-return adjustment | — | % | | — | % | | (3.9 | )% | | — | % | Uncertain tax positions | (0.2 | )% | | (0.1 | )% | | (1.3 | )% | | (1.7 | )% | Stock based compensation | (0.4 | )% | | (6.1 | )% | | (8.6 | )% | | (28.1 | )% | Others | 0.7 | % | | (0.5 | )% | | 1.4 | % | | (1.9 | )% | Effective tax rate | 25.7 | % | | 15.4 | % | | 13.5 | % | | (49.0 | )% |
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| Schedule of Components of Net Deferred Taxes |
The deferred tax assets and liabilities are reported in the accompanying balance sheets as follows (in thousands): | | | | | | | | | | | | | | March 31, 2020 | | March 31, 2019 | | December 31, 2018 | Deferred tax assets | $ | 15 |
| | $ | 25 |
| | $ | 56 |
| Deferred tax liabilities | 21,892 |
| | 16,753 |
| | 20,217 |
| Net deferred tax liabilities | $ | 21,877 |
| | $ | 16,728 |
| | $ | 20,161 |
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The components of net deferred taxes arising from temporary differences are as follows (in thousands): | | | | | | | | | | | | | | March 31, 2020 | | March 31, 2019 | | December 31, 2018 | Deferred tax assets: | | | | | | Compensation | $ | 760 |
| | $ | 895 |
| | $ | 928 |
| Inventories and receivables | 3,472 |
| | 2,915 |
| | 3,008 |
| Accrued expenses | 1,996 |
| | 667 |
| | 424 |
| Stock compensation | 3,706 |
| | 3,627 |
| | 5,175 |
| Net operating losses | 92 |
| | 236 |
| | 43 |
| Right of use liability | 3,443 |
| | 4,643 |
| | — |
| Other | 558 |
| | 736 |
| | 898 |
| Deferred tax assets | 14,027 |
| | 13,719 |
| | 10,476 |
| Deferred tax liabilities: | | | | | | Goodwill | 3,468 |
| | 2,857 |
| | 2,618 |
| Fixed assets | 3,294 |
| | 1,734 |
| | 2,405 |
| Intangible assets | 25,287 |
| | 24,077 |
| | 24,591 |
| Right of use asset | 3,292 |
| | 887 |
| | — |
| Other | 563 |
| | 892 |
| | 1,023 |
| Deferred tax liabilities | 35,904 |
| | 30,447 |
| | 30,637 |
| Net deferred tax liabilities | $ | 21,877 |
| | $ | 16,728 |
| | $ | 20,161 |
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| Schedule of Unrecognized Tax Benefits |
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands): | | | | | | | | | | | | | | | | | | Year ended March 31, | | Three months ended March 31,
(transition period) | | Year ended
December 31, | | 2020 | | 2019 | | 2018 | | 2017 | Balance at beginning of year | $ | 581 |
| | $ | 571 |
| | $ | 764 |
| | $ | 1,208 |
| Increases for prior year tax positions | 32 |
| | — |
| | — |
| | 63 |
| Increases for current year tax positions | 90 |
| | 10 |
| | 173 |
| | 68 |
| Decreases for prior year tax positions | — |
| | — |
| | (8 | ) | | (1 | ) | Decreases due to settlements | (29 | ) | | — |
| | — |
| | (32 | ) | Decreases due to statutes lapsing | (197 | ) | | — |
| | (358 | ) | | (542 | ) | Balance at end of year | $ | 477 |
| | $ | 581 |
| | $ | 571 |
| | $ | 764 |
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