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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Operating Loss Carryforwards [Line Items] |  |
Provision (benefit) for income taxes | $ 3,948,000 | $ (524,000)
Tax Credit Carryforward [Line Items] |  |
Alternative minimum tax | 111,000 |
Expiration date | 2033 |
Deferred tax assets [Abstract] |  |
Inventory reserve | 996,000 | 1,022,000
Fixed assets | 0 | 0
Other reserves and accruals | 90,000 | 92,000
Stock-based compensation | 295,000 | 173,000
Undistributed foreign earnings | 0 | 0
Other | 0 | 0
Tax credit carry-forwards | 1,648,000 | 1,464,000
Federal tax loss carry-forwards | 2,586,000 | 2,116,000
State tax loss carry-forwards | 541,000 | 513,000
Foreign tax loss carry-forwards | 276,000 | 52,000
Total deferred income tax assets | 6,432,000 | 5,432,000
Valuation allowance | (5,968,000) | (307,000)
Net deferred | 464,000 | 5,125,000
Deferred tax liabilities [Abstract] |  |
Deferred Tax Liability Inventory | 0 | 0
Fixed assets | 375,000 | 443,000
Deferred Tax Liability Other Accruals | 0 | 0
Deferred Tax Liability, Stock-Based Compensation | 0 | 0
Undistributed foreign earnings | 14,000 | 725,000
Other | 75,000 | 35,000
Total deferred income tax liabilities | 464,000 | 1,203,000
Deferred tax assets (liabilities), net | 0 | 3,922,000
Current: |  |
Federal | 0 | 0
State and local | 3,000 | 2,000
Foreign | 23,000 | 50,000
Total Current | 26,000 | 52,000
Deferred: |  |
Federal | (1,463,000) | (527,000)
State and local | (51,000) | 4,000
Deferred Foreign Income Tax Expense (Benefit) | (225,000) | (52,000)
Total before change in valuation allowance | (1,739,000) | (575,000)
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance | 5,661,000 | (1,000)
Net deferred | 3,922,000 | (576,000)
Reconciliation of provision (benefit) for income taxes [Abstract] |  |
Tax provision at expected statutory rate | (1,452,000) | (627,000)
State taxes, net of federal benefit | (38,000) | 6,000
Permanent differences | 25,000 | 21,000
Credits | (184,000) | 0
Changes in estimated research and development credits | 0 | 93,000
Foreign tax expense, and other | (64,000) | (16,000)
Change in valuation allowance for utilization of Georgia State net operating loss | 5,661,000 | (1,000)
Provision (benefit) for income taxes | 3,948,000 | (524,000)
(Loss) income before income taxes from domestic operations | (2,872,000) | (1,638,000)
Profit before income taxes from foreign operations | (1,399,000) | (206,000)
Earnings of Company's foreign subsidiaries not considered to be indefinitely reinvested | (1,366,000) |
Earnings of non-U.S. subsidiaries considered to be indefinitely reinvested | 556,000 |
Research and development credit carryforwards [Member] |  |
Tax Credit Carryforward [Line Items] |  |
Tax credit carryforward amount | 1,178,000 |
Expiration date | 2033 |
Foreign tax credit carryforwards [Member] |  |
Tax Credit Carryforward [Line Items] |  |
Tax credit carryforward amount | 359,000 |
Expiration date | 2020 |
Federal [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 7,607,000 |
State [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 14,559,000 |

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