Note 5 - Property and Equipment (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Depreciation, Depletion and Amortization	$ 919,000	$ 975,000
Capital Leased Assets, Gross	150,000	150,000
Property, Plant, and Equipment [Member]
Depreciation, Depletion and Amortization	$ 800,000	$ 900,000