Note 8 - Notes, Loans and Financing (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended					6 Months Ended		12 Months Ended
	Aug. 31, 2012	Jun. 30, 2012	Apr. 30, 2012	Feb. 28, 2012	May 31, 2011	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Sep. 24, 2012	Dec. 31, 2011
Note 8 - Notes, Loans and Financing (Details) [Line Items]
Debtor-in-Possession Financing, Unused Borrowings										$ 2.0
Debt Instrument, Interest Rate, Stated Percentage					11.50%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)					1,100,000				8,132,353
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)					0.63				0.10
Proceeds from Issuance of Debt					8.6
Convertible Debt, Fair Value Disclosures					0.5
Debt Instrument, Convertible, Terms of Conversion Feature					$0.5
Fair Value Assumptions, Expected Dividend Rate			0.00%	0.00%	0.00%			0.00%
Fair Value Assumptions, Risk Free Interest Rate			1.01%	0.82%	1.71%			0.01%
Fair Value Assumptions, Expected Volatility Rate			110.00%	110.00%	110.00%			110.00%
Fair Value Assumptions, Expected Term			5 years	5 years	5 years			3 months
Interest Expense, Debt						0.1	0.2
Debt Instrument, Periodic Payment, Principal	1.2	0.8
Loans Payable								4.1
Line Of Credit Facility, Reserve Balance								1.1
Proceeds from Lines of Credit								0.1
Restricted Cash and Cash Equivalents						0.6
Senior Secured Term Loan [Member]
Note 8 - Notes, Loans and Financing (Details) [Line Items]
Debt Instrument, Face Amount					8.6
Issuance Costs - Initial Fee (Member)
Note 8 - Notes, Loans and Financing (Details) [Line Items]
Debt Instrument, Fee Amount					0.1
Fee at Maturity Date (Member)
Note 8 - Notes, Loans and Financing (Details) [Line Items]
Debt Instrument, Fee Amount					$ 0.3