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Note D - Financing Arrangements | 12 Months Ended
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Dec. 31, 2013
Debt Disclosure [Abstract] |
Debt Disclosure [Text Block] | Note D – Financing Arrangements On December 17, 2012, the Company borrowed $17.0 million under an unsecured bank loan agreement to finance the acquisition of American Turbine. The loan bears interest at LIBOR plus 0.75%, adjustable and payable monthly, and, with annual renewal, matures in August 2015. At December 31, 2013, $3.0 million was outstanding against this agreement. On December 6, 2013, the Company borrowed $6.0 million in a promissory note for the purchase of equipment. The loan bears interest at LIBOR plus 0.75%, adjustable and payable monthly, and is expected to be paid in full by December 31, 2014. The Company may borrow up to $20.0 million with interest at LIBOR plus 0.75% or at alternative rates as selected by the Company under an unsecured bank line of credit which matures in August, 2015. At December 31, 2013 and 2012, $20.0 million and $19.3 million, respectively, were available for borrowing after deducting $700,000 in outstanding letters of credit in 2012. The Company also has a $10.0 million unsecured bank line of credit with interest at LIBOR plus 0.75% payable monthly which matures in May 2014. At December 31, 2013 and 2012, $6.0 million and $4.9 million, respectively, was available for borrowing after deducting $4.0 million and $5.1 million in outstanding letters of credit, respectively. The financing arrangements described above contain nominal restrictive covenants, including limits on additional borrowings and maintenance of certain operating and financial ratios. At December 31, 2013 and 2012, the Company was in compliance with all requirements. Interest expense, which approximates interest paid, was $146,000, $122,000 and $179,000 in 2013, 2012 and 2011, respectively. The Company has operating leases for certain offices, manufacturing facilities, land, office equipment and automobiles. Rental expense relating to operating leases was $1,109,000, $1,068,000 and $866,000 in 2013, 2012 and 2011, respectively. The future minimum lease payments due under these operating leases as of December 31, 2013 are:
| 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | Thereafter |  |  | Total |
| $ | 860 |  |  | $ | 539 |  |  | $ | 398 |  |  | $ | 272 |  |  | $ | 211 |  |  | $ | 11 |  |  | $ | 2,291 |

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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