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Note 6 - Long Term Debt (Details) - USD ($) |  |  |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 28, 2014 | Aug. 02, 2013 | Oct. 31, 2011 | Jan. 31, 2015 | Jun. 30, 2015 | Dec. 31, 2014 | Feb. 12, 2013
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Long-term Debt |  |  |  |  | $ 11,186,000 | $ 11,372,000 |
Share Price (in Dollars per share) |  | $ 2.23 |  |  |  |  |
PNC Bank [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  | 3,637,000 |  |
Promissory Note dated August 2, 2013 [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount |  |  |  |  | $ 94,000 | $ 137,000 |
Promissory Note dated August 2, 2013 [Member] | Lenders [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  | $ 3,000,000 |  |  |  |  |
Number of Shares Issued to Each Lender on Warrant (in Shares) |  | 35,000 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) |  | $ 2.23 |  |  |  |  |
Warrants Exercisable Term |  | 6 months |  |  |  |  |
Warrants Not Settleable in Cash, Fair Value Disclosure |  | $ 59,000 |  |  |  |  |
Stock Issued During Period, Shares, Other (in Shares) |  | 90,000 |  |  |  |  |
Number of Shares Received by each Lender (in Shares) |  | 45,000 |  |  |  |  |
Stock Issued During Period, Value, Other |  | $ 200,000 |  |  |  |  |
Maximum Number of Payoffs of Shares in Terms of Outstanding Equity |  |  |  |  | 20.00% |  |
Amended Loan Agreement [Member] | PNC Bank [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 12,000,000 |  |  |  |
Amendment 4 [Member] | Term Loan [Member] | PNC Bank [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Long-term Debt |  |  | 16,000,000 |  |  |  |
Debt Instrument, Periodic Payment, Principal |  |  | $ 190,000 |  |  |  |
Debt Instrument, Term |  |  | 7 years |  |  |  |
Amendment 6 [Member] | PNC Bank [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Line of Credit Facility Reduction |  |  |  |  | $ 1,500,000 |  |
Amendment 6 [Member] | PNC Bank [Member] | PFSG [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Line of Credit Facility Reduction | $ 1,500,000 |  |  |  |  |  |
Proceeds from Insurance Settlement, Investing Activities | $ 3,850,000 |  |  |  |  |  |
Promissory Notes and Installment Agreements [Member] | TNC [Member] |  |  |  |  |  |  |
Note 6 - Long Term Debt (Details) [Line Items] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 230,000
Repayments of Unsecured Debt |  |  |  | $ 10,000 |  |  |

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