Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,584,839	$ 3,858,544
Accounts receivable, net	1,128,406	585,593
Inventories	5,780,650	6,448,934
Deferred income taxes	406,868	460,868
Prepaid expenses and other current assets	923,617	623,288
Total current assets	10,824,380	11,977,227
Property and equipment, net	4,366,594	4,486,771
Goodwill, net	2,296,295	2,286,859
Intangible assets, net	48,404	49,894
Other assets	49,050	24,995
Total assets	17,584,723	18,825,746
Current liabilities:
Accounts payable, trade	1,385,457	2,170,690
Accrued liabilities	1,087,320	1,065,840
Current maturities of long-term obligations	185,607	182,056
Deferred revenue	2,651,293	2,990,333
Total current liabilities	5,309,677	6,408,919
Long-term obligations, less current maturities	1,497,744	1,545,499
Deferred income taxes	991,952	1,007,977
Shareholders' equity:
Common stock, $0.001 par value; 50,000,000 shares authorized; 22,228,834 shares issued and outstanding at March 31, 2012 and December 31, 2011	22,229	22,229
Additional paid-in capital	13,659,342	13,650,414
Accumulated deficit	(4,025,780)	(3,952,842)
Accumulated other comprehensive income	129,559	143,550
Total shareholders' equity	9,785,350	9,863,351
Total liabilities and shareholders' equity	$ 17,584,723	$ 18,825,746