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DEBT ARRANGEMENTS (Narrative) (Details) (USD $) In Thousands, unless otherwise specified |  |  |  | 12 Months Ended |  | 12 Months Ended |  |  |
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Sep. 30, 2012 sqft | Jul. 12, 2012 acre | Sep. 30, 2011 | Sep. 30, 2012 Revolving Line of Credit [Member] | Sep. 30, 2012 Revolving Line of Credit [Member] Minimum [Member] | Sep. 30, 2012 Amended Revolving Line of Credit [Member] | Sep. 30, 2012 Notes Payable to Regions Bank [Member] | Sep. 30, 2012 Mortgage Notes Payable, Maturing May 4, 2013 [Member] | Sep. 30, 2012 Mortgage Notes Payable One and Two [Member] | Sep. 30, 2012 Replacement Note Payable [Member] | Sep. 30, 2011 Replacement Note Payable [Member] | Dec. 17, 2010 Note Payable, Maturing December 18, 2010 [Member] | Feb. 11, 2011 Mortgage Payable, Maturing February 11, 2011
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 5,842 |  | $ 6,577 |  |  |  | $ 5,800 | $ 5,786 | $ 4,768 | $ 1,074 | $ 1,245 |  |
Debt instrument, maturity date |  |  |  | Jan. 31, 2011 |  | Jan. 31, 2013 |  | Oct. 31, 2013 | May 31, 2013 | Oct. 31, 2013 |  |  |
Debt instrument, interest rate |  |  |  |  |  |  |  |  | 4.10% | 7.50% |  |  |
Debt instrument, frequency of periodic payments |  |  |  |  |  |  |  | monthly | monthly | monthly |  |  |
Debt instrument, principal payment |  |  |  |  |  |  |  | 47 | 38 | 14 |  |  |
Debt instrument, one-time principal payment |  |  |  |  |  |  |  |  |  |  |  | 500 | 500
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | 1,341 |  |  |
Debt instrument, variable interest reference rate |  |  |  | Citibanks' Prime Rate |  |  |  | LIBOR |  | 30-day LIBOR |  |  |
Debt instrument, basis spread on variable rate |  |  |  | 5.00% |  |  |  | 4.00% |  | 3.00% |  |  |
Debt instrument, minimum interest rate |  |  |  |  |  |  |  | 6.00% |  | 4.50% |  |  |
Fixed charge coverage ratio |  |  |  |  |  |  |  |  |  | 1.25 |  |  |
Total liabilities to tangible net worth ratio |  |  |  |  |  |  |  |  |  | 2.10 |  |  |
Debt instrument, effective interest rate |  |  |  | 8.25% |  |  |  |  |  |  |  |  |
Line of credit, maximum borrowing capacity |  |  |  | 3,000 |  |  |  |  |  |  |  |  |
Line of credit, frequency of periodic payments |  |  |  |  | monthly |  |  |  |  |  |  |  |
Line of credit, periodic interest payments |  |  |  |  | 15 |  |  |  |  |  |  |  |
Line of credit, frequency of facilities fee payments |  |  |  | annually |  |  |  |  |  |  |  |  |
Line of credit, facilities fee, percentage |  |  |  | 2.00% |  |  |  |  |  |  |  |  |
Line of credit, collateral monitoring fee, percentage |  |  |  | 0.20% |  |  |  |  |  |  |  |  |
Line of credit, collateral |  |  |  | Borrowings under the Credit Agreement are secured by a blanket lien on our personal property, including certain eligible accounts receivable, inventory, and intellectual property assets, and a second mortgage on our West Lafayette and Evansville real estate and all common stock of our U.S. subsidiaries and 65% of the common stock of our non-United States subsidiary. |  |  |  |  |  |  |  |  |
Line of credit, borrowings, based on eligible accounts receivable, percentage |  |  |  | 75.00% |  |  |  |  |  |  |  |  |
Minimum net worth convenant requirement |  |  |  | 8,500 |  | 8,000 |  |  |  |  |  |  |
Line of credit, current borrowing capacity |  |  |  | 1,927 |  |  |  |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  | 1,444 |  |  |  |  |  |  |  |  |
Acres of land | 120,000 | 7.25 |  |  |  |  |  |  |  |  |  |  |
Square foot of facility |  | 120,000 |  |  |  |  |  |  |  |  |  |  |
Net book value of facility and land | 9,585 |  |  |  |  |  |  |  |  |  |  |  |
Asking price |  | $ 12,500 |  |  |  |  |  |  |  |  |  |  |

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