Segment Information (Details) - USD ($)	3 Months Ended
	May 31, 2016	May 31, 2015	Feb. 29, 2016
Net Sales	$ 2,240,211	$ 2,882,897
Rental Expense	43,117	39,545
Interest Expense	13,745	15,288
Net Income	55,791	154,022
Assets	10,558,055		$ 10,669,537
Debt	1,284,230		$ 1,319,737
Ultrasonic Spraying
Net Sales	2,216,211	2,858,597
Rental Expense	49,074	49,074
Interest Expense		75
Net Income	88,653	184,480
Assets	8,120,830	8,078,215
Debt		5,149
Rental Real Estate Operations
Net Sales	73,074	73,374
Rental Expense	43,117	39,545
Interest Expense	13,745	15,213
Net Income	(32,862)	(30,458)
Assets	2,437,225	2,497,922
Debt	1,284,230	1,423,136
Eliminations
Net Sales	49,074	49,074
Rental Expense	(49,074)	(49,074)
Consolidated
Net Sales	2,240,211	2,882,897
Rental Expense	43,117	39,545
Interest Expense	13,745	15,288
Net Income	55,791	154,022
Assets	10,558,055	10,576,137
Debt	$ 1,284,230	$ 1,428,285