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Property and Equipment (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Total Property and Equipment | $ 30,623,000 | $ 29,993,000
Less: Accumulated Depreciation | (21,985,000) | (19,943,000)
Property and Equipment, net | 8,638,000 | 10,050,000
Leasehold Improvements [Member] |  |
Total Property and Equipment | $ 528,000 | 528,000
Property Plant And Equipment Useful Life | Term of Lease |
Machinery and Equipment [Member] |  |
Total Property and Equipment | $ 11,590,000 | 11,554,000
Machinery and Equipment [Member] | Minimum |  |
Property plant and equipment useful life | 5 years |
Machinery and Equipment [Member] | Maximum [Member] |  |
Property plant and equipment useful life | 8 years |
Capital Lease Machinery and Equipment [Member] |  |
Total Property and Equipment | $ 6,534,000 | 6,534,000
Capital Lease Machinery and Equipment [Member] | Minimum |  |
Property plant and equipment useful life | 5 years |
Capital Lease Machinery and Equipment [Member] | Maximum [Member] |  |
Property plant and equipment useful life | 8 years |
Tools and Instruments [Member] |  |
Total Property and Equipment | $ 9,124,000 | 8,538,000
Tools and Instruments [Member] | Minimum |  |
Property plant and equipment useful life | 1 year 6 months |
Tools and Instruments [Member] | Maximum [Member] |  |
Property plant and equipment useful life | 7 years |
Furniture and Fixtures [Member] |  |
Total Property and Equipment | $ 316,000 | 311,000
Furniture and Fixtures [Member] | Minimum |  |
Property plant and equipment useful life | 5 years |
Furniture and Fixtures [Member] | Maximum [Member] |  |
Property plant and equipment useful life | 8 years |
Computers and Software [Member] |  |
Total Property and Equipment | $ 409,000 | 406,000
Computers and Software [Member] | Minimum |  |
Property plant and equipment useful life | 4 years |
Computers and Software [Member] | Maximum [Member] |  |
Property plant and equipment useful life | 6 years |
Automotive Equipment [Member] |  |
Total Property and Equipment | $ 172,000 | 172,000
Property plant and equipment useful life | 5 years |
Buildings and Improvements [Member] |  |
Total Property and Equipment | $ 1,650,000 | 1,650,000
Property plant and equipment useful life | 31 years 6 months |
Land [Member] |  |
Total Property and Equipment | $ 300,000 | $ 300,000

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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