Note 3 - Significant Events (Detail) (USD $)	3 Months Ended	12 Months Ended				3 Months Ended	1 Months Ended
	Mar. 31, 2012	Jun. 30, 2012	Jun. 30, 2011	Aug. 25, 2012	Dec. 31, 2011	Mar. 31, 2012 Other Restructuring [Member]	Jul. 31, 2011 One-time Termination Benefits [Member]	Jul. 31, 2011 Contract Termination [Member]	Jul. 31, 2011 Other Restructuring [Member]
Other Investments		$ 597,000
Lease Termination Costs	39,000
Severance Costs	73,000					411,000
Other Restructuring Costs	110,000						222,000	776,000	111,000
Consolidation Cost Savings	500,000
Provision for Doubtful Accounts	900,000	802,000	322,000
Debt Instrument, Face Amount		27,500,000		35,000,000
Inventory Write-down (in Dollars)			3,708,000
Other Loans Payable					1,200,000
Related Party Transaction, Amounts of Transaction		4,300,000
Related Party Transaction, Date			Dec. 31, 2008
Related Party Transaction, Due from (to) Related Party		$ 290,000	$ 142,000