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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2020
Income Taxes [Abstract] |
Components Of Consolidated Income (Losses) From Continuing Operations Before Income Taxes |
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
U.S. operations |  | $ | 362 |  | $ | 8,553 |  | $ | 8,998
Foreign operations |  |  | 3,223 |  |  | 1,428 |  |  | (2,525)
Income before income tax |  | $ | 3,585 |  | $ | 9,981 |  | $ | 6,473
Components Of Income Tax Provision (Benefit) |
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Current: |  |  |  |  |  |  |  |
Federal | $ | 34 |  | $ | (41) |  | $ | (74)
State and local |  | 390 |  |  | 179 |  |  | 41
Foreign |  | 863 |  |  | 111 |  |  | 295
|  | 1,287 |  |  | 249 |  |  | 262
Deferred: |  |  |  |  |  |  |  |
Federal |  | 3,084 |  |  | 1,133 |  |  | 2,645
State and local |  | 44 |  |  | (156) |  |  | 326
Foreign |  | (91) |  |  | 3,273 |  |  | (575)
|  | 3,037 |  |  | 4,250 |  |  | 2,396
Change in valuation allowance for deferred income taxes |  | (6,284) |  |  | (13,490) |  |  | (3,486)
|  | (3,247) |  |  | (9,240) |  |  | (1,090)
Income tax benefit | $ | (1,960) |  | $ | (8,991) |  | $ | (828)
Schedule Of Effective Income Tax Rate Reconciliation |
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
Statutory income tax expense |  | 21.0 | % |  | 21.0 | % |  | 21.0 | %
Increase (decrease) in income taxes resulting from: |  |  |  |  |  |  |  |  |
Foreign taxes |  | 3.6 |  |  | 0.2 |  |  | (0.9) |
State income taxes, net of federal income taxes |  | 10.2 |  |  | 1.9 |  |  | 3.4 |
Income tax credits |  | (17.1) |  |  | (5.6) |  |  | (6.8) |
Incentive stock options |  | 9.9 |  |  | (3.7) |  |  | 1.3 |
Change in effective state rate |  | 2.3 |  |  | (0.1) |  |  | 0.3 |
Deferred tax asset write-offs |  | 73.1 |  |  | 31.4 |  |  | 21.7 |
Executive compensation limitation |  | 15.6 |  |  | - |  |  | - |
Other |  | 2.1 |  |  | 0.7 |  |  | 1.1 |
Change in valuation allowance |  | (175.4) |  |  | (135.9) |  |  | (53.9) |
Income tax benefit |  | (54.7) | % |  | (90.1) | % |  | (12.8) | %
Schedule Of Deferred Tax Assets And Liabilities |
| December 31,
| 2020 |  | 2019
Deferred tax assets: |  |  |  |  |
Net operating loss, capital loss amount and research & experimentation credit carryforwards | $ | 37,206 |  | $ | 40,949
Non-cash compensation |  | 1,528 |  |  | 1,622
Accrued liabilities |  | 274 |  |  | 263
Reserves and other |  | 1,462 |  |  | 1,027
Intangibles |  | 68 |  |  | 84
|  | 40,538 |  |  | 43,945
Valuation allowance |  | (22,348) |  |  | (28,632)
Net deferred tax assets |  | 18,190 |  |  | 15,313
Deferred tax liabilities: |  |  |  |  |
Depreciation |  | (1,074) |  |  | (1,091)
Intangibles |  | (7,529) |  |  | (7,542)
Other |  | 299 |  |  | -
|  | (8,304) |  |  | (8,633)
Total | $ | 9,886 |  | $ | 6,680
Schedule Of Roll Forward Of Valuation Allowance For Deferred Income Tax Assets |
| Balance at Beginning of Year |  | Charged to Costs and Expenses |  | Other Adjustments |  | Balance at End of Year
2018 | $ | 45,811 |  | $ | (3,486) |  | $ | (203) |  | $ | 42,122
2019 | $ | 42,122 |  | $ | (13,473) |  | $ | (17) |  | $ | 28,632
2020 | $ | 28,632 |  | $ | (6,284) |  | $ | - |  | $ | 22,348
Summary Of Tax Credit Carryforwards |
Net Operating Loss Carryforward Expiration Dates
December 31, 2020
Expiration Dates December 31, |  | Net Operating Loss Amount
2022 |  | $ | 99,596
2023 |  |  | 5,853
2024 |  |  | 3,566
2025 and beyond |  |  | 11,294
Total |  | $ | 120,309
Schedule Of Unrecognized Tax Benefits |
| December 31,
| 2020 |  | 2019 |  | 2018
Balance, beginning of year | $ | 561 |  | $ | 545 |  | $ | 476
Additions for current year tax positions |  | 87 |  |  | 77 |  |  | 69
Additions for prior year tax positions |  | 12 |  |  | 11 |  |  | -
Reductions for prior year tax positions |  | (233) |  |  | (72) |  |  | -
Balance, end of year | $ | 427 |  | $ | 561 |  | $ | 545

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