CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,271,219	$ 11,860,842
Accounts receivable, net	7,857,189	8,138,358
Interest receivable	1,585	694
Held-to-maturity investments	502,362	505,068
Inventory, net	9,031,685	8,442,430
Prepaid expenses and other assets	1,129,158	737,406
Deferred income taxes	1,211,772	1,211,772
Total current assets	29,004,970	30,896,570
Long-term assets:
Inventory, net	27,353,831	24,353,580
Property and equipment, net	1,528,557	1,746,792
Intangible assets, net	379,454	346,732
Deferred income taxes	2,671,650	2,520,818
Other assets	13,266	12,199
Total long-term assets	31,946,758	28,980,121
TOTAL ASSETS	60,951,728	59,876,691
Current liabilities:
Accounts payable	2,542,711	2,112,585
Accrued cooperative advertising	308,000	200,000
Accrued expenses and other liabilities	533,902	574,522
Total current liabilities	3,384,613	2,887,107
Long-term liabilities:
Accrued income taxes	389,540	383,730
Total liabilities	3,774,153	3,270,837
Commitments and contingencies
Shareholders' equity:
Common stock, no par value	53,340,844	53,318,044
Additional paid-in capital - stock-based compensation	9,193,253	8,459,020
Accumulated deficit	(5,356,522)	(5,171,210)
Total shareholders' equity	57,177,575	56,605,854
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 60,951,728	$ 59,876,691