Note 3 - Fair Value Measurements (Detail) (USD $)	1 Months Ended
	Sep. 23, 2012
Cost Method Investment Ownership Percentage	2.50%
Long-term Investments (in Dollars)	500,000
Total Assets [Member]
Cost Method Investments, Additional Information	$668,000
Total Equity [Member]
Cost Method Investments, Additional Information	$443,000
Revenues [Member]
Cost Method Investments, Additional Information	$215,000
Net Loss [Member]
Cost Method Investments, Additional Information	$573,000