| | | For the years ended December 31, | | ||||
| ($ in thousands) | | 2017 | | 2016 | | ||
| | | | | | | | |
| Current | | | | | | | |
| Federal | | $ | 1,074 | | $ | - | |
| State | | | 439 | | | - | |
| Deferred | | | | | | | |
| Federal | | | - | | | - | |
| State | | | - | | | - | |
| Total | | $ | 1,513 | | $ | - | |
| | | As of December 31, | | |||||
| ($ in thousands) | | 2017 | | | 2016 | | ||
| Deferred tax assets: | | | | | | | | |
| Net operating loss carryforwards | | $ | 71,616 | | | $ | 76,486 | |
| Amortization of license fees | | | 13,648 | | | | 7,277 | |
| Amortization of in-process R&D | | | 557 | | | | 742 | |
| Stock compensation | | | 10,682 | | | | 10,899 | |
| Accruals and reserves | | | 5,166 | | | | 4,025 | |
| Tax credits | | | 7,376 | | | | 6,305 | |
| Start up costs | | | 75 | | | | 98 | |
| Unrealized loss on investments | | | - | | | | 1,095 | |
| Total deferred tax assets | | | 109,120 | | | | 106,927 | |
| Less: valuation allowance | | | (101,645) | | | | (94,687) | |
| Net deferred tax assets | | $ | 7,475 | | | $ | 12,240 | |
| | | | | | | | | |
| Deferred tax liabilities: | | | | | | | | |
| Unrealized gain/loss on investment | | $ | (685) | | | $ | - | |
| Intangibles | | | (3,321) | | | | (4,450) | |
| Basis in subsidiary | | | (3,469) | | | | (7,790) | |
| Total deferred tax assets, net | | $ | - | | | $ | - | |
| | | For the Year Ended December 31, | | |||||||
| | | 2017 | | 2016 | | 2015 | | |||
| Percentage of pre-tax income: | | | | | | | | | | |
| U.S. federal statutory income tax rate | | | 35 | % | | 35 | % | | 35 | % |
| State taxes, net of federal benefit | | | 8 | % | | 3 | % | | 5 | % |
| Credits | | | 1 | % | | 2 | % | | 1 | % |
| Non-deductible items | | | (2) | % | | (4) | % | | - | % |
| Provision to return | | | 1 | % | | 2 | % | | - | % |
| Stock based compensation shortfall | | | (1) | % | | (2) | % | | (1) | % |
| Change in federal rate | | | (43) | % | | - | % | | - | % |
| Change in state rate | | | 2 | % | | - | % | | - | % |
| Intercomapny elimination adjustments | | | (3) | % | | - | % | | - | % |
| Change in fair value of warrants | | | 3 | % | | - | % | | - | % |
| Change in valuation allowance | | | (7) | % | | (33) | % | | (44) | % |
| Change in subsidiary basis | | | 4 | % | | (3) | % | | 3 | % |
| Other | | | - | % | | - | % | | 1 | % |
| Effective income tax rate | | | (2) | % | | - | % | | - | % |