Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,091,450	$ 1,921,349
Accounts receivable, net of allowance for doubtful accounts of $38,000 and $35,000, respectively	1,173,918	1,285,843
Inventories	4,994,773	4,799,083
Deferred income taxes	404,845	376,925
Prepaid expenses and other current assets	544,949	464,020
Total current assets	9,209,935	8,847,220
Property and equipment, net	1,340,503	4,683,496
Goodwill, net	2,158,638	2,221,347
Intangible assets, net	27,554	39,975
Other assets, net	95,012	203,906
Total assets	12,831,642	15,995,944
Current liabilities:
Accounts payable, trade	1,135,288	2,310,192
Accrued liabilities	1,214,797	1,420,050
Current maturities of long-term obligations	0	229,538
Deferred revenue	1,913,307	2,147,290
Total current liabilities	4,263,392	6,107,070
Long-term obligations, less current maturities	0	906,809
Deferred income taxes	$ 529,400	$ 556,440
Commitments and contingencies
Shareholders’ equity:
Common stock, $0.001 par value; 50,000,000 shares authorized; 2,212,350 shares issued and outstanding at September 30, 2015 and December 31, 2014	$ 2,212	$ 2,212
Additional paid-in capital	13,713,630	13,713,630
Accumulated deficit	(5,881,961)	(5,417,092)
Accumulated other comprehensive income	204,969	126,875
Total shareholders' equity	8,038,850	8,425,625
Total liabilities and shareholders' equity	$ 12,831,642	$ 15,995,944