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Note 6 - Debt (Tables)

3 Months Ended

Mar. 31, 2013

Credit Facility, Variable Interest Rate [Table Text Block]

	Excess Availability		LIBOR Rate Plus
	Greater than $10,000			3.00	%
	Greater than $6,000 but less than or equal to $10,000			3.25	%
	Greater than $3,000 but less than or equal to $6,000			3.50	%

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- Definition

Credit Facility, Variable Interest Rate Table

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No definition available.

+ Details

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Namespace Prefix:	ulbi_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration