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Inventories and Deferred Costs of Goods Sold (Details) (USD $)
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Sep. 30, 2014
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Dec. 31, 2013
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|---|---|---|
| Inventories and Deferred Costs of Goods Sold [Abstract] | ||
| Inventory valuation reserves | $ 1,000,000 | $ 1,000,000 |
| Raw materials | 1,108,000 | 1,310,000 |
| Work in process | 2,861,000 | 2,004,000 |
| Finished goods | 948,000 | 502,000 |
| Net inventory | 4,917,000 | 3,816,000 |
| Deferred cost of goods sold | $ 305,000 | $ 849,000 |