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Note 17 - Subsequent Events (Details Textual) |  |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 24, 2016 USD ($) | Mar. 23, 2016 USD ($) | Feb. 17, 2016 USD ($) | Feb. 04, 2016 USD ($) | Mar. 31, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Sep. 29, 2015 USD ($) | Dec. 31, 2014 USD ($)
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | After March 23, 2019 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations |  | 0.00% |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Pays Off on or Before March 23, 2017 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations |  | 1.00% |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Pays Off After March 23, 2017 But Prior to or on March 23, 2018 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations |  | 0.50% |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | After March 23, 2018 Prior to or on March 23, 2019 [Member] |  |  |  |  |  |  |  |  |
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations |  | 0.25% |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Term Loan [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 3.25% |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |
Long-term Debt | $ 6,100,000 |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | $ 102,000 |  |  |  |  |  |  |  |
Debt Instrument, Term | 5 years |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Revolving Credit Facility [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.75% |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 12,000,000 |  |  |  |  |  |  |  |
Release of Borrowing Reduction on Line of Credit | 1,000,000 |  |  |  |  |  |  |  |
Line of Credit Facility Reduction | 1,500,000 |  |  |  |  |  |  |  |
Subsequent Event [Member] | Amendment 7 [Member] | PNC Bank [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Annual Spending Limit for Capital Spending | 3,000,000 | $ 6,000,000 |  |  |  |  |  |  |
Debt Issuance Cost | $ 70,000 |  |  |  |  |  |  |  |
Debt Instrument, Termination Notice |  | 90 days |  |  |  |  |  |  |
Subsequent Event [Member] | PFMI [Member] |  |  |  |  |  |  |  |  |
Escrow Deposit, Forfeit |  |  | $ 10,000 |  |  |  |  |  |
Deposit Received, Held in Escrow |  |  | $ 10,000 |  |  |  |  |  |
Subsequent Event [Member] | Management Incentive Plans [Member] | Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage |  |  |  | 5.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage |  |  |  | 100.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount |  |  |  | $ 13,962 |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount |  |  |  | $ 279,248 |  |  |  |  |
Subsequent Event [Member] | Management Incentive Plans [Member] | Chief Operating Officer [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage |  |  |  | 5.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage |  |  |  | 100.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount |  |  |  | $ 10,750 |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount |  |  |  | $ 215,000 |  |  |  |  |
Subsequent Event [Member] | Management Incentive Plans [Member] | Chief Financial Officer [Member] |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage |  |  |  | 5.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage |  |  |  | 100.00% |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount |  |  |  | $ 11,033 |  |  |  |  |
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount |  |  |  | $ 220,667 |  |  |  |  |
PNC Bank [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility Reduction |  |  |  |  |  |  | $ 1,500,000 |  |
Scenario, Forecast [Member] | PFMI [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Credit Against Purchase Price |  |  |  |  |  | $ 15,000 |  |  |
Scenario, Forecast [Member] | PFMI [Member] |  |  |  |  |  |  |  |  |
Credit Against Purchase Price, Percentage of Funds Paid |  |  |  |  |  | 50.00% |  |  |
Disposal Group, Including Discontinued Operation, Consideration Receive at Closing |  |  |  |  | $ 50,000 | $ 50,000 |  |  |
Escrow Deposit, Remaining Amount |  |  |  |  | 10,000 | 10,000 |  |  |
Disposal Group, Including Discontinued Operation, Consideration, After Closing |  |  |  |  | $ 375,000 | $ 375,000 |  |  |
Disposal Group, Including Discontinued Operation, Consideration, Number of Monthly Installment Payments |  |  |  |  | 60 | 60 |  |  |
Disposal Group, Including Discontinued Operation, Consideration, Installment Payment |  |  |  |  | $ 7,250 |  |  |  |
PFMI [Member] |  |  |  |  |  |  |  |  |
Escrow Deposit |  |  |  |  |  |  |  | $ 20,000 |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  |  |  | $ 450,000 |
Long-term Debt |  |  |  |  |  |  | $ 9,988,000 |  | $ 11,372,000

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