CONDENSED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2013	Feb. 29, 2012
Income Statement [Abstract]
Net sales	$ 3,118,121	$ 2,789,226	$ 5,408,215	$ 5,037,182
Cost of sales	498,778	396,566	885,648	748,936
Gross profit	2,619,343	2,392,660	4,522,567	4,288,246
Operating expenses
Selling, general, and administrative	854,983	956,325	1,786,043	1,656,438
Research and development	247,522	264,581	427,857	516,516
Total operating expenses	1,102,505	1,220,906	2,213,900	2,172,954
Income from operations	1,516,838	1,171,754	2,308,667	2,115,292
Other income (expense)
Interest income	17,074	25,083	30,802	46,956
Interest expense				(3)
Miscellaneous income	15,390	22,656	30,794	22,656
Gain on currency exchange	22,988	40,502	97,642	138,888
Gain (loss) from sale of assets		(433)		(433)
Total other income (expense)	55,452	87,808	159,238	208,064
Income from continuing operations before provision for income taxes	1,572,290	1,259,562	2,467,905	2,323,356
Provision for income taxes	(510,715)	(420,985)	(819,344)	(729,680)
Income from continuing operations	1,061,575	838,577	1,648,561	1,593,676
Discontinued operations:
Gain (loss) from discontinued operations, net of tax				(249,898)
Gain on sale of Words+, net of tax				465,820
Results of discontinued operations				215,922
Net Income	$ 1,061,575	$ 838,577	$ 1,648,561	$ 1,809,598
Basic earnings per share:
Continuing operations	$ 0.07	$ 0.05	$ 0.10	$ 0.10
Discontinued operations				$ 0.01
Net basic earning per share	$ 0.07	$ 0.05	$ 0.10	$ 0.11
Diluted earnings per share
Continuing operations	$ 0.06	$ 0.05	$ 0.10	$ 0.10
Discontinued operations				$ 0.01
Net basic earning per share	$ 0.06	$ 0.05	$ 0.10	$ 0.11
Weighted-average common shares outstanding
Basic	16,004,397	15,635,898	15,965,890	15,604,420
Diluted	16,336,353	15,995,226	16,305,235	15,957,657