Condensed Consolidated Balance Sheets (unaudited) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 37,909,608	$ 35,777,222
Accounts receivable, net of reserves of $457,300 and $334,473 at June 30, 2012 and December 31, 2011, respectively	17,694,097	17,307,786
Inventories	10,776,788	7,302,483
Current portion deferred income taxes	1,918,926	1,918,926
Prepaid expenses and other	1,299,596	1,831,127
Total current assets	69,599,015	64,137,544
Property and equipment, at cost	51,920,745	50,850,630
Less: accumulated depreciation	(15,499,638)	(14,380,752)
Property, Plant and Equipment, Net, Total	36,421,107	36,469,878
Long-term deposits and other	221,485	205,042
Intangible assets, net	21,506,474	23,148,563
Goodwill	8,627,518	8,883,407
Total Assets	136,375,599	132,844,434
Current liabilities:
Accounts payable	3,941,436	4,299,680
Accrued expenses	4,275,574	5,321,594
Deferred revenue	2,866,667	2,866,667
Current portion of long-term debt	1,600,000	1,600,000
Income taxes payable	2,530,386	450,482
Total current liabilities	15,214,063	14,538,423
Other long-term liabilities	1,535,140	1,548,652
Long-term deferred revenue	3,586,106	5,019,440
Deferred tax liability	6,491,837	7,375,141
Long-term debt	8,800,000	9,600,000
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $.01 par value; 1,250,000 shares authorized, no shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively
Common stock, $.01 par value; 30,000,000 shares authorized, 13,765,996 and 13,630,607 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	137,659	136,305
Additional paid-in-capital	64,620,510	63,441,433
Accumulated currency translation adjustment	(3,910,924)	(3,067,181)
Retained earnings	39,901,208	34,252,221
Total stockholders' equity	100,748,453	94,762,778
Total Liabilities and Stockholders' Equity	$ 136,375,599	$ 132,844,434