Note 13 - Debt (Details) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended	0 Months Ended				1 Months Ended			12 Months Ended	0 Months Ended
	Sep. 07, 2012	Nov. 22, 2011	Jun. 30, 2014	Sep. 07, 2012 Originally Agreement [Member] Maximum [Member]	May 09, 2013 Originally Agreement [Member] Fourth Quarter 2013 and First Quarter 2014 [Member]	May 09, 2013 Amended Agreement [Member] Fourth Quarter 2013 and First Quarter 2014 [Member]	May 09, 2013 Amended Agreement [Member] Thereafter [Member]	Dec. 23, 2013 New Amended Agreement [Member] Maximum [Member]	Dec. 23, 2013 New Amended Agreement [Member] Thereafter [Member]	Jun. 30, 2014 Three Standby Letters Of Credit [Member]	Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member]	Sep. 07, 2012 Maximum [Member]	Sep. 07, 2012 Minimum [Member]
Note 13 - Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)			$ 23,000,000
Debt Instrument, Basis Spread on Variable Rate											1.50%
Line of Credit Facility, Interest Rate During Period			2.01%
Current Funded Debt to EBITDA Ratio				1.45	1.45	2.25	1.45	2.25	2.25
Annual Capital Expenditures (in Dollars)												15,000,000
Debt Service Coverage Rate													1.25
Minimum Consolidated Cash and Liquid Investments Pursuant to New Loan and Security Agreement (in Dollars)	10,000,000
Debt Instrument, Face Amount (in Dollars)		15,500,000
Term Loan Number of Years		10 years
Debt Instrument, Interest Rate, Stated Percentage		4.50%
Line of Credit Facility, Periodic Payment (in Dollars)		160,640
Long-term Line of Credit (in Dollars)			9,000,000							500,000
Line of Credit Facility, Commitment Fee Percentage			0.25%
Line of Credit Facility, Current Borrowing Capacity (in Dollars)			22,500,000
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)			$ 13,500,000