Consolidated Statements of Cash Flows (unaudited) (USD $)	3 Months Ended
	May 31, 2012	May 31, 2011
Cash Flows From Operating activities
Net income	$ 1,062,329	$ 919,659
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	237,140	168,905
Provision for loss on accounts and notes receivable	88,000	50,000
Provision for obsolete inventory	15,000	15,000
Loss on sale, or acquisition of property and equipment		5,870
Expense recorded for stock compensation	135,033	156,233
Deferred income taxes	(68,829)	(85,490)
Changes in operating assets and liabilities:
Accounts receivable	509,779	1,355,515
Inventories	604,183	235,152
Other current assets	(185,437)	(137,204)
Accounts payable	(591,728)	(317,243)
Accrued liabilities	335,572	432,822
Deferred income	(10,500)	35,809
Net cash provided by operating activities	2,130,542	2,835,028
Cash Flows From Investing Activities
Addition to notes receivable	(37,351)	(19,362)
Proceeds received on notes receivable	61,176	49,470
Purchases of property and equipment	(252,852)	(1,044,641)
Increase in other assets	(2,565)	(7,555)
Net cash used in investing activities	(231,592)	(1,022,088)
Cash Flows From Financing Activities
Repurchase of common stock	(362,680)
Issuance of common stock		19,291
Tax benefit of stock awards	5,740	3,967
Dividends paid	(616,239)	(606,997)
Net cash used in financing activities	(973,179)	(583,739)
Net Increase in Cash and Cash Equivalents	925,771	1,229,201
Cash and Cash Equivalents, Beginning of Period	4,125,444	3,344,490
Cash and Cash Equivalents, End of Period	$ 5,051,215	$ 4,573,691