Note 2 - Long-Term Debt (Details) (USD $)	0 Months Ended	1 Months Ended	9 Months Ended			1 Months Ended				9 Months Ended
	Mar. 05, 2013	Oct. 30, 2012	Sep. 30, 2013	Oct. 19, 2010	Jun. 30, 2006	Oct. 31, 2013 Subsequent Event [Member]	Mar. 05, 2013 Corporate Term Debt [Member]	Mar. 05, 2013 Convertible Bond [Member]	Mar. 05, 2013 Senior Secured Mortgage Loan [Member]	Sep. 30, 2013 Includes Legal Fees For Debt Refinancing [Member]
Note 2 - Long-Term Debt (Details) [Line Items]
Debt Instrument, Face Amount					$ 36,400,000
Line of Credit Facility, Maximum Borrowing Capacity		10,000,000		10,000,000
Proceeds from Lines of Credit (in Dollars)	17,500,000	5,000,000
Warrants and Rights Outstanding		533,000
Long-term Debt			87,101,000				66,000,000
Long Term Debt Term	3 years
Convertible Debt			55,647,000					53,500,000
Convertible Debt Term	5 years
Working Capital	17,500,000		4,000,000
Mortgage Loans on Real Estate	30,000,000								30,000,000
Debt Instrument, Interest Rate, Stated Percentage						8.00%		7.00%	8.00%
Debt Instrument, Convertible, Conversion Price (in Dollars per share)								$ 8.05
Gains (Losses) on Extinguishment of Debt			(835,000)							(1,055,000)
Legal Fees			1,200,000
Line of Credit Facility, Additional Working Capital						$ 10,000,000