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Note 1 - Basis of Presentation (Details Textual) - Reclassification from Accrued Expenses to Customer Deposits [Member]	3 Months Ended
	Mar. 31, 2018 USD ($)
Year Ended December 31, 2017 [Member]
Prior Period Reclassification Adjustment	$ 297,000
Three Months Ended March 31, 2017 [Member]
Prior Period Reclassification Adjustment	$ 68,000

X

- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

+ Details

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis=ufpt_ReclassificationFromAccruedExpensesToCustomerDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreationDateAxis=ufpt_YearEndedDecember312017Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreationDateAxis=ufpt_ThreeMonthsEndedMarch312017Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: