Consolidated Statements of Comprehensive Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Net sales	$ 14,708,529	$ 16,622,891	$ 29,561,806	$ 38,283,415
Cost of goods sold	9,455,352	10,846,205	19,520,834	26,363,622
Gross profit	5,253,177	5,776,686	10,040,972	11,919,793
Selling and marketing expenses	2,603,881	2,590,602	5,090,929	5,262,283
Research and development expenses	274,137	322,782	562,907	667,747
General and administrative expenses	1,034,368	1,050,357	2,041,333	2,099,660
	3,912,386	3,963,741	7,695,169	8,029,690
Operating income	1,340,791	1,812,945	2,345,803	3,890,103
Non-operating income (expense):
Other	19,015	(24,083)	28,327	(28,815)
Interest expense	(3,125)	(3,125)	(6,319)	(8,842)
Net non-operating income (expense)	15,890	(27,208)	22,008	(37,657)
Income before income taxes	1,356,681	1,785,737	2,367,811	3,852,446
Provision for income taxes	466,000	552,000	811,000	1,255,000
Net income	890,681	1,233,737	1,556,811	2,597,446
Other comprehensive income (loss), after tax:
Foreign currency translation loss	(318,992)	(164,820)	(708,155)	(342,681)
Comprehensive income	$ 571,689	$ 1,068,917	$ 848,656	$ 2,254,765
Net income per share of common stock - Note 8:
Basic (in Dollars per share)	$ 0.30	$ 0.42	$ 0.53	$ 0.89
Diluted (in Dollars per share)	$ 0.30	$ 0.41	$ 0.52	$ 0.87
Dividends per common share (1) (in Dollars per share)	$ 0.140	$ 0.125	$ 0.28	$ 1.25	[1]
Weighted average shares outstanding:
Basic (in Shares)	2,945,416	2,944,116	2,936,416	2,932,639
Diluted (in Shares)	2,991,406	2,997,192	2,984,324	2,988,692
Special Dividend Paid [Member]
Net income per share of common stock - Note 8:
Dividends per common share (1) (in Dollars per share)				$ 1.00

[1] Dividends per share for the six months ended March 30, 2013 include a special dividend of $1.00 per share paid on December 4, 2012.