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Note 8 - Financing Arrangements (Details Textual) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 28, 2017 | May 05, 2017 USD ($) | May 02, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Oct. 31, 2016 USD ($)
LIBOR Rate |  |  |  | 1.22% |  |
Term Loan [Member] |  |  |  |  |  |
Long-term Debt |  |  | $ 2,400,000 |  |  |
Debt Instrument, Periodic Payment, Principal |  |  | $ 200,000 |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.25% |  |  |
Construction Loan Agreement [Member] | BB&T [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 1,480,000
Long-term Line of Credit |  |  |  | $ 1,099,000 |  |
Revolving Credit Facility [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 25,000,000 | $ 25,000,000 |  |
Line of Credit Facility, Commitment Fee Percentage |  |  |  | 0.15% |  |
Debt Instrument, Interest Rate, Increase (Decrease) | 0.25% |  |  |  |  |
Minimum Consolidated Tangible Net Worth |  |  |  |  | $ 18,000,000 |
Minimum Fixed Charge Coverage Ratio |  |  |  |  | 1.35 |
Maximum Leverage Ratio |  |  |  |  | 3.5 |
Maximum Amount of Assets the Company and It's Subsidiaries Lease or Hold for Leasing Required by the Financial Covenants for the Credit Agreement |  |  |  |  | $ 5,000,000 |
Long-term Line of Credit |  |  |  | $ 19,800,000 | $ 17,900,000 |
Revolving Credit Facility [Member] | Period of April 01, 2016 to March 31, 2017 [Member] |  |  |  |  |  |
Percentage of Consolidated Net Income |  |  |  |  | 50.00% |
Revolving Credit Facility [Member] | Period of October 01, 2016 to December 31, 2016 [Member] |  |  |  |  |  |
Minimum Asset Coverage Ratio |  |  |  |  | 1.5 |
Revolving Credit Facility [Member] | After March 31, 2017 [Member] |  |  |  |  |  |
Minimum Asset Coverage Ratio |  |  |  |  | 1.75 |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 2.25% |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate |  |  |  | 1.50% |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate |  |  |  | 2.00% |  |
Revolving Credit Facility [Member] | Letter of Credit [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 500,000 |  |
Contrail Loan Agreement's, Revolving Line of Credit [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 15,000,000 |  |  |  |
Long-term Line of Credit |  |  |  | 57,000 |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  | $ 14,900,000 |  |
Guarantor Obligations, Maximum Exposure, Undiscounted |  | $ 1,600,000 |  |  |  |
Minimum Cash Flow Coverage Ratio |  | 2 |  |  |  |
Minimum Tangible Net Worth |  | $ 3,500,000 |  |  |  |
Minimum Debt Service Coverage Ratio |  | 1.1 |  |  |  |
Contrail Loan Agreement's, Revolving Line of Credit [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 3.00% |  |  |  |

X
- Definition Interest rate at which a bank borrows funds from other banks in the London interbank market. + References No definition available. + Details
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- Definition Represents maximum amount of assets the company and it's subsidiaries lease or hold for leasing required by the financial covenants for the credit agreement. + References No definition available. + Details
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- Definition The maximum leverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
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- Definition Consolidated minimum asset covenant coverage ratio determines a company's ability to cover debt obligations with its assets after all liabilities have been satisfied.The minimum consolidated asset coverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
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- Definition The minimum consolidated tangible net worth required by the financial covenants for the credit agreement. + References No definition available. + Details
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- Definition Represents the minimum debt service coverage ratio required by the debt agreement. + References No definition available. + Details
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- Definition A covenant ratio that indicates a firm's ability to satisfy fixed financing expenses, such as interest and leases. The minimum fixed charge coverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
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- Definition A covenant measure of the physical worth of a company, which does not include any value derived from intangible assets such as copyrights, patents and intellectual property. Tangible net worth is calculated by taking a firm's total assets and subtracting the value of all liabilities and intangible assets. + References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition 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. + References No definition available. + 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 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 + Details
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