Segment Information (Details) (USD $)	3 Months Ended	9 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013	Feb. 28, 2014
Net Sales	$ 2,851,906us-gaap_Revenues	$ 2,650,225us-gaap_Revenues	$ 7,906,332us-gaap_Revenues	$ 7,561,998us-gaap_Revenues
Rental Expense	36,437us-gaap_OwnedPropertyManagementCosts	48,791us-gaap_OwnedPropertyManagementCosts	118,011us-gaap_OwnedPropertyManagementCosts	118,890us-gaap_OwnedPropertyManagementCosts
Interest Expense	15,754us-gaap_InterestExpense	27,152us-gaap_InterestExpense	49,135us-gaap_InterestExpense	82,396us-gaap_InterestExpense
Net Income (Loss)	202,432us-gaap_ProfitLoss	171,247us-gaap_ProfitLoss	384,100us-gaap_ProfitLoss	350,424us-gaap_ProfitLoss
Assets	10,407,612us-gaap_Assets		10,407,612us-gaap_Assets		9,779,161us-gaap_Assets
Debt	1,526,612us-gaap_LongTermDebt		1,526,612us-gaap_LongTermDebt		1,670,524us-gaap_LongTermDebt
Ultrasonic Spraying
Net Sales	2,827,606	2,631,475	7,838,982	7,504,082
Rental Expense	49,074	33,935	147,223	101,805
Interest Expense	236	556	1,071	1,927
Net Income (Loss)	232,177	193,949	335,602	390,062
Assets	7,871,820	7,617,337	7,871,820	7,617,337
Debt	35,849	96,143	35,849	96,143
Rental Real Estate Operations
Net Sales	73,374	52,685	214,573	159,721
Rental Expense	36,437	48,791	118,011	118,890
Interest Expense	15,518	26,596	48,064	80,469
Net Income (Loss)	(29,774)	(22,702)	48,498	(39,638)
Assets	2,535,792	2,460,816	2,535,792	2,460,816
Debt	1,490,763	1,923,075	1,490,763	1,923,075
Eliminations
Net Sales	49,074	33,935	147,223	101,805
Rental Expense	(49,074)	(33,935)	(147,223)	(101,805)
Consolidated
Net Sales	2,851,906	2,650,225	7,906,332	7,561,998
Rental Expense	36,437	48,791	118,011	118,890
Interest Expense	15,754	27,152	49,135	82,396
Net Income (Loss)	202,432	171,247	384,100	350,424
Assets	10,407,612	10,078,153	10,407,612	10,078,153
Debt	$ 1,526,612	$ 2,019,218	$ 1,526,612	$ 2,019,218

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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