Note 3 - Long-Term Debt (Detail) (USD $)	1 Months Ended			6 Months Ended		9 Months Ended	21 Months Ended	61 Months Ended						1 Months Ended		13 Months Ended
	Jun. 30, 2011	Oct. 31, 2010	Jun. 30, 2006	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jul. 25, 2011	Oct. 19, 2010	Jun. 30, 2012 First 4.55 Million of Debt [Member]	Jun. 30, 2012 Remainder of Principal After Initial Conversion [Member]	Oct. 31, 2010 First Tranche [Member]	Jun. 29, 2013 First Tranche [Member]	Nov. 30, 2011 Second Tranche [Member]	Jun. 29, 2013 Second Tranche [Member]	Oct. 31, 2011 Second Tranche [Member]
Proceeds from Convertible Debt			$ 36,400,000					$ 36,400,000
Debt Instrument, Interest Rate, Stated Percentage				6.00%			6.00%
Convertible Debt				4,550,000			4,550,000				20,620,000
Debt Instrument, Convertible, Number of Equity Instruments	320,000			650,000		290,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)		$ 13.50										$ 7	$ 35		$ 13.50		$ 12.50
Line of Credit Facility, Maximum Borrowing Capacity										3,000,000	10,000,000
Line of Credit Facility, Increase, Additional Borrowings					2,000,000		7,000,000							5,000,000		2,000,000
Line of Credit Facility, Remaining Borrowing Capacity	5,000,000				5,000,000	5,000,000		5,000,000										5,000,000
Line of Credit Facility, Interest Rate During Period				6.00%
Debt Instrument, Convertible, Terms of Conversion Feature	$4	$2.5
Other Long-term Debt	10,000,000				10,000,000	10,000,000		10,000,000
Debt Instrument, Unamortized Discount		$ 3,200,000		$ (3,260,000)			$ (3,260,000)		$ (4,641,000)