Consolidated Balance Sheets (USD $)	Feb. 29, 2012	Feb. 28, 2011
Current Assets
Cash and cash equivalents	$ 4,125,444	$ 3,344,490
Accounts receivable, less allowance for doubtful accounts of $488,448 and $376,319, respectively	4,078,158	4,823,257
Notes receivable, current	283,225	370,635
Refundable income taxes	724,911	119,888
Inventories, less reserve for slow moving inventory of $249,500 and $246,631, respectively	4,119,073	4,124,188
Deferred income taxes	487,274	445,194
Other	281,282	279,335
Total current assets	14,099,367	13,506,987
Property and Equipment, Net	8,515,644	6,275,406
Other Assets
Notes receivable, less current portion and allowance for doubtful accounts of $95,703 and $14,000, respectively	344,474	467,431
Goodwill, net	1,046,944	1,046,944
Intangible assets, net	22,111	59,218
Other	134,430	82,822
Total other assets	1,547,959	1,656,415
Total assets	24,162,970	21,438,808
Current Liabilities
Accounts payable	1,355,818	1,540,930
Accrued salaries and wages	653,276	547,539
Other accrued expenses	760,860	718,814
Dividend payable	616,239	606,998
Deferred income	156,000	261,410
Total current liabilities	3,542,193	3,675,691
Deferred Income Taxes	1,884,957	1,109,002
Commitments and Contingencies
Stockholders' Equity
Preferred stock
Common stock, $.03 par value; 100,000,000 shares authorized; 6,162,389 and 6,069,976 shares issued and outstanding, respectively	184,872	182,099
Additional paid-in capital	8,712,743	8,060,041
Retained earnings	9,838,205	8,411,975
Total stockholders’ equity	18,735,820	16,654,115
Total liabilities and stockholders’ equity	24,162,970	21,438,808
Series A Junior Participating Preferred Stock [Member]
Stockholders' Equity
Preferred stock