XML 53 R39.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deferred tax assets:    
Loss carryovers $ 8,168 $ 6,982
Stock option compensation expense 7
Royalty 1,482 1,482
Unrealized loss on derivative securities 38
Other 105 105
Valuation allowance (9,118) (8,571)
Total deferred tax assets 637 43
Deferred tax liabilities:    
Unrealized gain on derivative securities 196
Unrealized gains on marketable equity securities 395 41
Other 46 2
Total deferred tax liabilities 637 43
Net deferred tax liabilities