Annual report pursuant to Section 13 and 15(d)

Income Taxes (Significant Components of Deferred Tax Assets) (Details)

v3.7.0.1
Income Taxes (Significant Components of Deferred Tax Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Deferred tax assets:    
Net operating losses $ 57,903 $ 49,145
Research & other credits 2,121 1,978
Stock based compensation 2,164 1,047
In-Process R&D 1,246
Accrued bankruptcy settlement 1,328
Other 761 222
Total deferred tax assets 64,195 53,720
Valuation allowance (64,195) (53,720)
Net deferred tax assets
Domestic Country [Member]    
Deferred tax assets:    
Income Tax Expense (Benefit) $ 0 $ 0