Note 6 - Property and Equipment (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Depreciation	$ 759,000	$ 763,000
Computer Equipment [Member]
Non Monitory Disposal Of Property Plant And Equipment	319,000	268,000
Software [Member]
Non Monitory Disposal Of Property Plant And Equipment	$ 5,000	$ 183,000