Note 8 - Employee Benefit Plans (Detail) - Status of Restricted Stock Awarded under the Company’s Restricted Stock Plan (USD $)	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011
Non vested balance at beginning of period	1,088,644	1,199,661	843,870
Non vested balance at beginning of period (in Dollars per share)	$ 6.23	$ 6.26	$ 5.99
Granted	303,052	432,264	323,629
Granted (in Dollars per share)	$ 5.87	$ 4.33	$ 6.93
Forfeited	(112,354)	(181,696)	(60,726)
Forfeited (in Dollars per share)	$ 6.70	$ 5.97	$ 5.99
Vested	(79,681)	(84,078)	(18,129)
Vested (in Dollars per share)	$ 5.41	$ 7.33	$ 8.65
Non vested balance at end of period	1,199,661	423,264	1,088,644
Non vested balance at end of period (in Dollars per share)	$ 6.26	$ 4.29	$ 6.23
Ending Balance [Member]
Non vested balance at end of period	1,199,661	933,887	1,088,644
Non vested balance at end of period (in Dollars per share)	$ 6.26	$ 6.22	$ 6.23