Note 7 - Operating Segments (Detail) - Segment Information (USD $)	3 Months Ended		6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011	Feb. 29, 2012
Total revenues	$ 8,240,256	$ 8,079,977	$ 18,441,536	$ 17,298,360
Intersegment revenues	(510,419)	(504,188)	(1,053,506)	(1,084,648)
Revenue from external customers	7,729,837	7,575,789	17,388,030	16,213,712
Segment profit (loss)	1,279,442	1,417,669	2,912,836	2,832,547
Total assets	22,437,544	21,921,376	22,437,544	21,921,376	24,162,970
Capital expenditures	264,561	145,716	517,413	1,190,356
Total depreciation & amortization	230,406	190,261	467,546	359,166
Franchising [Member]
Total revenues	1,499,692	1,572,169	3,067,260	2,999,607
Revenue from external customers	1,499,692	1,572,169	3,067,260	2,999,607
Segment profit (loss)	628,016	739,560	1,296,951	1,381,735
Total assets	1,530,306	1,491,798	1,530,306	1,491,798
Capital expenditures	16,468		24,007	1,442
Total depreciation & amortization	9,713	15,603	21,093	34,556
Manufacturing [Member]
Total revenues	5,080,496	4,940,999	12,036,927	11,354,055
Intersegment revenues	(510,419)	(504,188)	(1,053,506)	(1,084,648)
Revenue from external customers	4,570,077	4,436,811	10,983,421	10,269,407
Segment profit (loss)	1,344,529	1,277,758	3,162,796	2,906,217
Total assets	10,620,818	10,738,663	10,620,818	10,738,663
Capital expenditures	117,833	69,707	170,255	110,658
Total depreciation & amortization	72,840	74,140	144,177	148,164
Retail [Member]
Total revenues	1,660,068	1,566,809	3,337,349	2,944,698
Revenue from external customers	1,660,068	1,566,809	3,337,349	2,944,698
Segment profit (loss)	64,829	125,582	77,463	18,154
Total assets	4,385,447	3,281,040	4,385,447	3,281,040
Capital expenditures	80,888	36,542	241,746	902,852
Total depreciation & amortization	109,047	64,690	225,828	109,090
All Other Segments [Member]
Segment profit (loss)	(757,932)	(725,231)	(1,624,374)	(1,473,559)
Total assets	5,900,973	6,409,875	5,900,973	6,409,875
Capital expenditures	49,372	39,467	81,405	175,404
Total depreciation & amortization	$ 38,806	$ 35,827	$ 76,448	$ 67,356