Note 6 - Accrued Expenses (Tables)

12 Months Ended

Mar. 31, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31,
	2015		2014
Salaries, wages and related items	$	1,571,347	$	1,448,502
Profit sharing		1,088,089		501,831
Health insurance		405,826		280,554
Warranty reserves		231,803		242,064
Other		232,386		119,583
Total	$	3,529,451	$	2,592,534