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Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Accruals and reserves | $ 1,144 | $ 1,326
Transaction costs |  | 81
Prepaid services | (1,034) | (897)
Net operating loss carryforwards |  | 9,917
Current deferred income tax (liabilities) assets | 110 | 10,427
Development costs | 5 | 2,885
Share-based compensation expense | 2,366 | 1,550
Amortization of intangible assets | (20,024) | (19,834)
Depreciation of fixed assets | (925) |
Alternative minimum tax credit carryforward | 1,468 | 1,420
General business credit carryforward | 481 |
State tax credits | 5,500 |
Net operating loss carryforwards | 28,025 | 21,696
Other | 1,065 | 2,978
Non-current deferred income tax (liabilities) assets | 17,961 | 10,695
Valuation allowances | (18,109) | (25,593)
Deferred tax liabilities, net | $ (38) | $ (4,471)

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