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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | ﻿ ﻿
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﻿L. B. FOSTER COMPANY AND SUBSIDIARIES
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﻿SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
﻿FOR THE YEARS ENDED DECEMBER 31, 2016, 2015, AND 2014
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﻿ |  |  |  | Additions |  |  |  |
﻿ |  | Balance at |  | Charged to |  |  |  | Balance
﻿ |  | Beginning |  | Costs and |  |  |  | at End
﻿ |  | of Year |  | Expenses |  | Deductions (1) |  | of Year
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﻿2016 |  |  |  |  |  |  |  |
﻿Deducted from assets to which they apply: |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts | $ | 1,485 | $ | 982 | $ | 1,050 | $ | 1,417
﻿Valuation allowance for deferred tax assets | $ | - | $ | 29,719 | $ | - | $ | 29,719
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﻿2015 |  |  |  |  |  |  |  |
﻿Deducted from assets to which they apply: |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts | $ | 1,036 | $ | 1,113 | $ | 664 | $ | 1,485
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﻿2014 |  |  |  |  |  |  |  |
﻿Deducted from assets to which they apply: |  |  |  |  |  |  |  |
﻿Allowance for doubtful accounts | $ | 1,099 | $ | 462 | $ | 525 | $ | 1,036
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| (1) |  | Notes and accounts receivable written off as uncollectible.

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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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