Note 8 - Bank Financing and Debt (Details) (USD $) | 3 Months Ended | | 3 Months Ended | | 3 Months Ended | 0 Months Ended | | 3 Months Ended | | 3 Months Ended | | 0 Months Ended | | | 0 Months Ended | | | |
Sep. 30, 2014 | Nov. 12, 2009 | Sep. 30, 2014 | Nov. 12, 2009 | Sep. 30, 2014 | Jul. 09, 2014 | Nov. 12, 2009 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Jul. 09, 2014 | Jul. 09, 2014 | Nov. 12, 2009 | Sep. 30, 2014 | Mar. 31, 2014 | Apr. 14, 2011 | Apr. 14, 2011 | Sep. 30, 2014 | Mar. 31, 2014 | Aug. 08, 2014 |
Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan Credit Facility [Member] | Term Loan A [Member] | Term Loan A [Member] | Term Loan B [Member] | Term Loan B [Member] | Term Loan Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Letter of Credit [Member] | Lease Involving a Five-Year Standby Letter of Credit [Member] | Lease Involving a Five-Year Standby Letter of Credit [Member] | Lease Involving a Five-Year Standby Letter of Credit [Member] | Lease Involving a One-Year Standby Letter of Credit [Member] |
Closing Date Loans [Member] | Closing Date Loans [Member] | Delayed Draw Loan [Member] | Delayed Draw Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | London Interbank Offered Rate (LIBOR) [Member] | | London Interbank Offered Rate (LIBOR) [Member] | | | Wells Fargo Capital Finance, LLC [Member] | Wells Fargo Capital Finance, LLC [Member] | Wells Fargo Capital Finance, LLC [Member] | Wells Fargo Capital Finance, LLC [Member] | Lease Involving a Five-Year Standby Letter of Credit [Member] | | | | |
London Interbank Offered Rate (LIBOR) [Member] | | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | | | | |
Note 8 - Bank Financing and Debt (Details) [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Term | ' | ' | ' | ' | ' | '5 years | ' | ' | ' | ' | ' | '5 years | ' | '3 years | ' | ' | '5 years | ' | ' | ' | ' |
Debt Instrument, Face Amount | ' | $35,000,000 | ' | $15,000,000 | ' | $50,000,000 | $50,000,000 | ' | $15,000,000 | ' | $20,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Pricipal Amortization Rate | ' | ' | ' | ' | ' | 2.50% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Periodic Payment, Principal | ' | ' | ' | ' | ' | 218,750 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Basis Spread on Variable Rate | 5.50% | ' | 5.50% | ' | ' | ' | ' | 2.75% | ' | 8.15% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Interest Rate, Effective Percentage | ' | ' | ' | ' | ' | ' | ' | ' | 2.94% | ' | 9.15% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | ' | ' | ' | ' | 1.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Line of Credit Facility, Maximum Borrowing Capacity | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 65,000,000 | ' | ' | ' | ' | ' | ' | ' |
Payments of Debt Extinguishment Costs | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 800,000 | ' | ' | ' | ' | ' | ' | ' | ' |
Long-term Line of Credit | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 38,400,000 | ' | ' | ' | ' | ' |
Letters of Credit Outstanding, Amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1,500,000 | ' | ' | 576,424 |
Annual Decrease in Letter of Credit | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 300,000 | ' | ' | ' |
Guarantor Obligations, Maximum Exposure, Undiscounted | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $2,000,000 | $2,300,000 | ' |