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Inventories | 12 Months Ended
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Dec. 31, 2017
Inventory Disclosure [Abstract] |
Inventories |
(3) | Inventories
Inventories consisted of the following at December 31, 2017 and 2016.
| December 31, 2017 |  |  | December 31, 2016 |
| (in thousands) |
Raw materials | $ | 519 |  |  | $ | 513 |
Work-in-process |  | 886 |  |  |  | 728 |
|  | 1,405 |  |  |  | 1,241 |
Less: allowance |  | (78 | ) |  |  | (60 | )
Total inventories | $ | 1,327 |  |  | $ | 1,181 |
Obsolete or slow moving inventory totaling $0.07 million and $0.04 million was expensed during the years ended December 31, 2017 and 2016, respectively, and included in cost of sales in the accompanying consolidated statements of operations.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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