Annual report pursuant to Section 13 and 15(d)

Income Taxes (RateRec) (Details)

v3.6.0.2
Income Taxes (RateRec) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Summary of expected tax provision      
Tax provision, at U.S. federal statutory tax rate $ (13,767) $ 3,056 $ 7,878
State income tax, net of federal tax provision (2,053) 247 648
Effects of permanent items 1,773 1,899 552
Effects of return to provision adjustment (45) 118 (127)
Change in valuation allowance 26,269 841 (2,085)
Capital loss write-off due to carryforward period expiration     2,085
Effect of change in federal and state income tax rate 279 283 (54)
Uncertain tax positions 2,024 (859) 138
Research and development credits (2,758) (1,914) (1,564)
Federal and state NOL adjustments net of valuation allowance impact     745
Other 3,355 881 312
Total $ 15,077 $ 4,552 $ 8,528