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Note 5 - Debt (Details) (USD $) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 24, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 5 - Debt (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | $ 7,500,000 |  |  |
Potential Credit Facility Increase (in Dollars) | 35,000,000 |  |  |
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Eligible Accounts Receivable | 85.00% |  |  |
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Eligible Accounts Line Of Credit, Maximum Borrowing Capacity, Percentage Of Book Value Of Eligible Inventory | 65.00% |  |  |
Line Of Credit, Maximum Borrowing Capacity, Percentage Of Appraised Net Orderly Liquidation Value Of Eligible Inventory | 85.00% |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.375% |  |
Line of Credit Facility, Amount Outstanding (in Dollars) |  | 0 |  |
Line of Credit Facility, Interest Rate at Period End |  | 2.17% |  |
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars) |  | 12,969,000 |  |
Cash and Cash Equivalents, at Carrying Value (in Dollars) |  | 16,066,000 | 9,656,000 | 5,320,000
Numerator [Member] | Minimum [Member] |  |  |  |
Note 5 - Debt (Details) [Line Items] |  |  |  |
Fixed Charge Coverage Ratio |  | 1 |  |
Denominator [Member] | Minimum [Member] |  |  |  |
Note 5 - Debt (Details) [Line Items] |  |  |  |
Fixed Charge Coverage Ratio |  | 15 |  |
PNC [Member] |  |  |  |
Note 5 - Debt (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | 20,000,000 |  |  |
Letter of Credit [Member] |  |  |  |
Note 5 - Debt (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) | $ 1,000,000 |  |  |
Maximum [Member] |  |  |  |
Note 5 - Debt (Details) [Line Items] |  |  |  |
Fixed Charge Coverage Ratio |  | 1 |  |

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- Definition Line Of Credit, Maximum Borrowing Capacity, Percentage Of Book Value Of Eligible Inventory + References No definition available. + Details
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- Definition Line Of Credit, Maximum Borrowing Capacity, Percentage Of Eligible Accounts Receivable + References No definition available. + Details
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- Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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