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Note 7 - Property and Equipment (Detail) (USD $)	3 Months Ended
Note 7 - Property and Equipment (Detail) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Depreciation	$ 190,000	$ 183,000
Computer Equipment [Member]
Non Monitory Disposal Of Property Plant And Equipment		$ 207,000

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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