Annual report pursuant to Section 13 and 15(d)

Income Taxes Deferred Tax Assets and Liabilities (Details)

v3.7.0.1
Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deferred tax assets:    
Inventory provisions and uniform capitalization $ 0 $ 24
Accounts receivable allowances 12 9
Non-qualified stock option and restricted stock expense 961 1,789
Deferred maintenance revenue 408 76
Loss and credit carryfowards of U.S. subsidiary 33,673 28,366
Loss carryforward of foreign subsidiary and joint venture 1 382
Other accruals and reserves 674 1,108
Other (349) 122
Total deferred tax assets before valuation allowance 35,380 31,876
Less valuation allowance (32,930) (28,928)
Total deferred tax assets 2,450 2,948
Deferred tax liabilities    
Acquired intangibles (2,526) (3,067)
Deferred Tax Liabilities, Property, Plant and Equipment (148) (399)
Total deferred tax liabilities (2,674) (3,466)
Total net deferred tax assets (liabilities) $ (224) $ (518)