Note 7 - Accumulated Other Comprehensive Income (Detail) - Changes, net of tax, in Accumulated other comprehensive income are as follows: (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011
Unrealized Gain on Securities		$ 624
Cumulative Translation Adjustment		119
Total		743
Other comprehensive income (loss)	(1,566)	303	260
Other comprehensive income (loss)	141	(100)	164
Other comprehensive income (loss)	(1,425)	203	(2,118)
Unrealized Gain on Securities		927	624
Cumulative Translation Adjustment		19	119
Total		$ 946	$ 743