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Note 3 - Intangible Assets, net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Amortization of Intangible Assets	$ 34	$ 103	$ 37	$ 106
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life			10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life			20 years

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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