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Balance Sheet Detail (Details) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Inventories: |  |
Work-in-process | $ 537,000 | $ 542,000
Finished goods | 91,000 | 25,000
Total | 628,000 | 567,000
Intangible assets |  |
Gross Carrying Amount | 10,020,000 | 10,020,000
Accumulated Amortization | 8,865,000 | 8,365,000
Net Carrying Value | 1,155,000 | 1,655,000
Estimated aggregate amortization expense to be recognized in future |  |
Remainder of 2014 | 500,000 |
2015 | 300,000 |
2016 | 100,000 |
2017 | 100,000 |
2018 | 100,000 |
Developed technology |  |
Intangible assets |  |
Gross Carrying Amount | 9,240,000 | 9,240,000
Accumulated Amortization | 8,586,000 | 8,142,000
Net Carrying Value | 654,000 | 1,098,000
Developed technology | Minimum |  |
Intangible assets |  |
Life | 3 years | 3 years
Developed technology | Maximum |  |
Intangible assets |  |
Life | 5 years | 5 years
Patent license |  |
Intangible assets |  |
Life | 7 years | 7 years
Gross Carrying Amount | 780,000 | 780,000
Accumulated Amortization | 279,000 | 223,000
Net Carrying Value | $ 501,000 | $ 557,000

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