Condensed Consolidated Balance Sheets (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 3,163,611	$ 3,858,544
Accounts receivable, net of allowance for doubtful accounts of $30,137 and $29,361, respectively	961,579	585,593
Inventories	6,441,850	6,448,934
Deferred income taxes	455,493	460,868
Prepaid expenses and other current assets	937,304	623,288
Total current assets	11,959,837	11,977,227
Property and equipment, net	4,280,724	4,486,771
Goodwill, net	2,285,727	2,286,859
Intangible assets, net	46,915	49,894
Other assets	29,718	24,995
Total assets	18,602,921	18,825,746
Current liabilities:
Accounts payable, trade	2,141,077	2,170,690
Accrued liabilities	1,061,498	1,065,840
Current maturities of long-term obligations	189,226	182,056
Deferred revenue	2,968,658	2,990,333
Total current liabilities	6,360,459	6,408,919
Long-term obligations, less current maturities	1,449,059	1,545,499
Deferred income taxes	969,109	1,007,977
Shareholders' equity:
Common stock, $0.001 par value; 50,000,000 shares authorized; 22,228,834 shares issued and outstanding at June 30, 2012 and December 31, 2011	22,229	22,229
Additional paid-in capital	13,668,137	13,650,414
Accumulated deficit	(4,002,660)	(3,952,842)
Accumulated other comprehensive income	136,588	143,550
Total shareholders' equity	9,824,294	9,863,351
Total liabilities and shareholders' equity	$ 18,602,921	$ 18,825,746