Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) (USD $)	9 Months Ended			3 Months Ended		1 Months Ended				9 Months Ended
	Mar. 31, 2014	Apr. 30, 2014 Subsequent Event [Member] One Bank [Member] United States [Member]	Apr. 30, 2014 Subsequent Event [Member] One Bank [Member] Canada [Member]	Mar. 31, 2014 Subsequent Event [Member] United States [Member]	Mar. 31, 2014 Subsequent Event [Member] Canada [Member]	Apr. 30, 2014 Subsequent Event [Member] Minimum [Member]	Apr. 30, 2014 Subsequent Event [Member] Maximum [Member]	Mar. 31, 2014 United States [Member]	Mar. 31, 2014 Canada [Member]	Mar. 31, 2014 London Interbank Offered Rate (LIBOR) [Member]	Mar. 31, 2014 Minimum [Member]	Mar. 31, 2014 Maximum [Member]
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)								$ 30,000,000	$ 5,000,000
Debt Instrument, Basis Spread on Variable Rate						1.50%	1.90%			2.00%	1.75%	2.15%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%			0.15%	0.15%
Line of Credit Facility, Amount Outstanding (in Dollars)									0
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)		$ 30,000,000	$ 5,000,000