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Income Taxes Deferred Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deferred tax assets:    
Deferred Tax Asset, Operating and Capital Loss Carryforwards and Credits $ 83,323 $ 71,494
Stock compensation 2,416 1,385
Deferred tax assets intangibles and fixed assets 14,343 1,359
Basis of investments in affiliates 2,195 499
Accrued liabilities and other 422 442
State taxes 90 81
Total deferred tax assets 102,789 75,260
Deferred tax liabilities:    
Fixed assets and intangibles 0 0
Other (162) (81)
Deferred Tax Liabilities, Gross (162) (81)
Net deferred tax liabilities 0 0
Less: valuation allowance (102,627) (75,179)
Net deferred taxes $ 162 $ 81