Segment Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015	Feb. 29, 2016
Net Sales	$ 2,310,451	$ 2,974,673	$ 4,550,663	$ 5,857,570
Rental Expense	38,454	38,787	81,571	78,332
Interest Expense	13,367	14,851	27,113	30,064
Net Income	(89,673)	143,590	(33,882)	297,612
Assets	10,581,264		10,581,264		$ 10,669,537
Debt	1,248,650		1,248,650		$ 1,319,737
Ultrasonic Spraying
Net Sales	2,286,153	2,952,223	4,502,365	5,810,820
Rental Expense	49,074	49,074	98,149	98,149
Depreciation Expense	103,866	92,571	197,744	174,244
Interest Expense				75
Net Income	(62,150)	174,778	26,503	359,183
Assets	8,156,775	8,132,679	8,156,775	8,132,679
Debt
Rental Real Estate Operations
Net Sales	73,372	71,524	146,447	144,899
Rental Expense	20,408	20,293	45,331	42,091
Depreciation Expense	18,046	18,194	36,240	36,241
Interest Expense	13,367	14,851	27,113	29,989
Net Income	(27,523)	(31,188)	(60,385)	(61,571)
Assets	2,424,489	2,484,258	2,424,489	2,484,258
Debt	1,248,650	1,389,035	1,248,650	1,389,035
Eliminations
Net Sales	49,074	49,074	98,149	98,149
Rental Expense	(49,074)	(49,074)	(98,149)	(98,149)
Consolidated
Net Sales	2,310,451	2,974,673	4,550,663	5,857,570
Rental Expense	20,408	20,293	45,331	42,091
Depreciation Expense	121,912	110,765	233,984	210,485
Interest Expense	13,367	14,851	27,113	30,064
Net Income	(89,673)	143,590	(33,882)	297,612
Assets	10,581,264	10,616,937	10,581,264	10,616,937
Debt	$ 1,248,650	$ 1,389,035	$ 1,248,650	$ 1,389,035