Note 5 - Accrued Expenses (Tables)

12 Months Ended

Mar. 31, 2013

Schedule of Accrued Liabilities [Table Text Block]

	March 31,
	2013		2012
Salaries, wages and related items	$	1,272,183	$	1,188,016
Profit sharing		384,999		262,599
Health insurance		149,403		191,397
Warranty reserves		208,745		253,225
Other		104,670		71,602
Total	$	2,120,000	$	1,966,839