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Note 18 - Income Taxes (Details) - Summary of Deferred Income Tax Assets and Liabilities (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Summary of Deferred Income Tax Assets and Liabilities [Abstract]    
Compensation and benefit accruals $ 1,905 $ 1,521
Inventory valuation 3,176 2,817
Federal and state net operating loss carryforwards 44,139 43,550
Deferred revenue 3,180 5,461
Accounts receivable allowance 129 121
Defined benefit pension plan 873 3,554
Foreign deferred revenue and other provisions 3,973 5,888
AMT credits 185 185
Other 1,339 135
58,899 63,232
Domestic valuation allowance (49,832) (48,196)
Foreign valuation allowance 0 (746)
Total deferred tax assets 9,067 14,290
Foreign subsidiaries – unrepatriated earnings (2,665) (4,735)
Depreciation (2,429) (4,413)
Total deferred tax liabilities (5,094) (9,148)
Net deferred tax asset $ 3,973 $ 5,142