Note 7 - Long-term Debt (Details Textual)
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1 Months Ended |
2 Months Ended |
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Mar. 01, 2017
USD ($)
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Jul. 01, 2015
USD ($)
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Mar. 31, 2017
USD ($)
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Jun. 06, 2017
USD ($)
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| Debt Issuance Costs, Gross |
$ 460,000
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| Credit Facility [Member] |
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| Debt Instrument Convenant, Maximum Leverage Ration, During the Initial Holiday Period |
3.5
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| Debt Instrument Covenant, Maximum Leverage Ratio, Immediately Following the Initial Holiday Period |
3.25
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| Debt Instrument Covenant, Fixed Charge Coverage Ratio |
1.25
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| Debt Instrument, Term |
5 years
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| Credit Facility [Member] | After March 31, 2016 [Member] |
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| Debt Instrument Covenant, Ratio of Funded Debt to Consolidated EBITDA |
3
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| Credit Facility [Member] | Term Loan [Member] |
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| Long-term Debt, Gross |
$ 20,000,000
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| Line of Credit Facility, Periodic Payment, Number of Quarterly Payments |
20
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| Line of Credit Facility, Annual Increase (Decrease) in Periodic Payment, Principal |
$ 125,000
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| Debt Instrument, Periodic Payment, Principal |
750,000
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$ 250,000
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| Debt Instrument, Additional Carrying Amount |
$ 100,000,000
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| Line of Credit [Member] |
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| Line of Credit Facility, Maximum Borrowing Capacity |
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$ 50,000,000
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| Debt Instrument, Term |
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5 years
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| Line of Credit [Member] | Subsequent Event [Member] |
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| Repayments of Long-term Lines of Credit |
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$ 3,000,000
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| Line of Credit [Member] | Debt Instrument, Variable Rate Base CBFR Using One Month LIBOR [Member] |
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| Debt Instrument, Basis Spread on Variable Rate Used to Calculate Commercial Bank Floating Rate |
0.50%
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| Line of Credit [Member] | Minimum [Member] |
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| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |
0.15%
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| Line of Credit [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] |
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| Debt Instrument, Basis Spread on Variable Rate |
1.50%
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| Line of Credit [Member] | Maximum [Member] |
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| Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |
0.35%
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| Line of Credit [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] |
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| Debt Instrument, Basis Spread on Variable Rate |
2.50%
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| Line of Credit [Member] | Credit Facility [Member] |
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| Line of Credit Facility, Maximum Borrowing Capacity |
$ 80,000,000
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| Line of Credit Facility, Additional Maximum Borrowing Capacity |
$ 100,000,000
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| Debt Instrument, Term |
5 years
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| Term Loan [Member] |
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| Long-term Debt, Gross |
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$ 20,000,000
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| Letter of Credit [Member] |
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| Line of Credit Facility, Maximum Borrowing Capacity |
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$ 1,000,000
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| Letter of Credit [Member] | Credit Facility [Member] |
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| Line of Credit Facility, Maximum Borrowing Capacity |
$ 2,500,000
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