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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | UFP TECHNOLOGIES, INC. Consolidated Financial Statement Schedule Valuation and Qualifying Accounts Years ended December 31, 2016, 2015 and 2014 Accounts receivable, allowance for doubtful accounts:
|  | 2016 |  | 2015 |  | 2014
Balance at beginning of year |  | $ | 499 |  |  | $ | 502 |  |  | $ | 512 |
Provision for bad debt |  |  | 126 |  |  |  | 16 |  |  |  | 63 |
Write-offs, net of recoveries |  |  | (58 | ) |  |  | (19 | ) |  |  | (73 | )
Balance at end of year |  | $ | 567 |  |  | $ | 499 |  |  | $ | 502 |

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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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