Note 9 - Income Tax (Detail) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2013
Effective Income Tax Rate, Continuing Operations	57.50%	47.00%	67.40%	43.20%
Unrecognized Tax Benefits, Period Increase (Decrease) (in Dollars)					$ (91,000)