Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments applied to principal.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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Fixed interest rate related to the interest rate derivative.

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The increase (decrease) during the period in the carrying value of derivative instruments reported as assets that are due to be disposed of within one year (or the normal operating cycle, if longer).

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of other income tax expense (benefit).

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Note 6 - Long-term Debt (Details Textual)		1 Months Ended		12 Months Ended
Note 6 - Long-term Debt (Details Textual)	Jul. 01, 2013	Jul. 31, 2018 USD ($)	Jul. 31, 2013 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2015 USD ($)	May. 01, 2014 USD ($)	Oct. 22, 2013 USD ($)	Oct. 21, 2013 USD ($)	Jun. 30, 2013 USD ($)
Revolving Credit Facility [Member] \| Amended Credit Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				0.95%
Debt Instrument, Interest Rate, Stated Percentage				1.45%
Revolving Credit Facility [Member] \| Amended Credit Agreement [Member]
Letters of Credit Outstanding, Amount						$ 0
Line of Credit Facility, Expiration Period	5 years
Line of Credit Facility, Maximum Borrowing Capacity										$ 15,000,000
Line of Credit Facility, Commitment Fee Percentage				0.10%
Permitted Investments In Subsidiaries								$ 5,000,000	$ 1,000,000
Add on Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				0.95%
Debt Instrument, Interest Rate, Stated Percentage				1.45%
Add on Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity							$ 10,000,000
Line of Credit Facility, Commitment Fee Percentage				0.50%
Amended Credit Agreement [Member] \| Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				0.95%
Debt Instrument, Interest Rate, Stated Percentage				1.38%
Amended Credit Agreement [Member] \| Term Loan [Member]
Debt Instrument, Face Amount										$ 30,000,000
Amended Credit Agreement [Member]
Letters of Credit Outstanding, Amount				$ 472,000
Scenario, Forecast [Member]
Debt Instrument, Periodic Payment, Principal		$ 3,250,000
Term Loan [Member]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months				2,750,000
Long-term Debt, Maturities, Repayments of Principal in Year Two				3,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Three				$ 16,000,000
Senior Debt [Member]
Ratio of Maximum Funded Indebtedness to EBITDA				3.5
Per Month through July 1, 2015 [Member]
Debt Instrument, Periodic Payment, Principal			$ 187,500
Per Month through June 1, 2018 [Member]
Debt Instrument, Periodic Payment, Principal			$ 250,000
Interest Rate Swap [Member]
Interest Rate Derivative Assets, at Fair Value				$ 114,000
Increase (Decrease) in Derivative Assets				37,000	$ (26,000)
Other Tax Expense (Benefit)				20,000	$ (21,000)
Derivative, Fixed Interest Rate			2.53%
Derivative, Notional Amount			$ 14,250,000
Debt Issuance Cost				$ 68,000
Ratio of Maximum Funded Indebtedness to EBITDA				4
Fixed Charges Numerator				1.25