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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | Schedule II – Valuation and Qualifying Accounts For the Years Ended December 31, 201 7, 201 6 and 201 5 (in thousands) ﻿ ﻿ ﻿
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﻿ |  | Balance at Beginning of Period |  | Additions Charged to Costs and Expenses |  | Deductions, Accounts Charged Off and Recoveries of Amounts Previously Written Off |  | Balance at End of Period
﻿Year Ended December 31, 2017 |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts |  | $ 22 |  | $ 34 |  | $ - |  | $ 56
﻿Deferred tax assets valuation allowance |  | 5,197 |  | - |  | 1,066 |  | 6,263
﻿Inventory reserve |  | 4,307 |  | 2,672 |  | (819) |  | 6,160
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﻿Year Ended December 31, 2016 |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts |  | $ 82 |  | $ - |  | $ (60) |  | $ 22
﻿Deferred tax assets valuation allowance |  | 5,797 |  | - |  | (600) |  | 5,197
﻿Inventory reserve |  | 3,793 |  | 2,344 |  | (1,830) |  | 4,307
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﻿Year Ended December 31, 2015 |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts |  | $ 188 |  | $ - |  | $ (106) |  | $ 82
﻿Deferred tax assets valuation allowance |  | 6,219 |  | - |  | (422) |  | 5,797
﻿Inventory reserve |  | 2,381 |  | 1,458 |  | (46) |  | 3,793
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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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