Note 7 - Financing Arrangements	12 Months Ended
Mar. 31, 2014
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	7. FINANCING ARRANGEMENTS The Company has a $7,000,000 secured long-term revolving credit line with an expiration date of August 31, 2015. The revolving credit line contains customary events of default, a subjective acceleration clause and a fixed charge coverage requirement, with which the Company was in compliance at March 31, 2014. There is no requirement for the Company to maintain a lock-box arrangement under this agreement. The amount of credit available to the Company under the agreement at any given time is determined by an availability calculation, based on the eligible borrowing base, as defined in the credit agreement, which includes the Company’s outstanding receivables, inventories and equipment, with certain exclusions. At March 31, 2014, $7,000,000 was available under the terms of the credit facility. Amounts advanced under the credit facility bear interest at the 30-day “LIBOR” rate plus 150 basis points. The LIBOR rate at March 31, 2014 was approximately .15%. At March 31, 2014 and 2013, there was no balance outstanding on the credit facility.

- 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.

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