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Note 3 - Intangible Assets (Detail) (USD $)	3 Months Ended		6 Months Ended
Note 3 - Intangible Assets (Detail) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets, Net						$ 1,603,000	$ 1,877,000
Amortization of Intangible Assets	$ 141,000	$ 175,000	$ 274,000	$ 274,000	$ 369,000

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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