Condensed Consolidated Balance Sheets (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 84,879,562	$ 63,333,160
Accounts receivable, net of reserves of $587,810 and $593,023 at June 30, 2014 and December 31, 2013, respectively	19,235,039	18,736,845
Inventories	13,864,165	10,996,785
Current portion deferred income taxes	659,040	659,040
Prepaid expenses and other	878,929	865,957
Total current assets	119,516,735	94,591,787
Property and equipment, at cost	53,142,322	52,413,423
Less: accumulated depreciation	(20,754,596)	(19,474,712)
	32,387,726	32,938,711
Long-term deposits and other	69,077	69,080
Intangible assets, net	17,762,272	18,998,409
Goodwill	9,360,884	9,443,894
Total assets	179,096,694	156,041,881
Current liabilities:
Accounts payable	2,198,070	2,793,911
Accrued expenses	4,875,167	5,537,881
Deferred revenue	15,463	180,433
Income taxes payable	232,704	770,276
Total current liabilities	7,321,404	9,282,501
Other long-term liabilities	1,031,414	1,133,544
Long-term deferred revenue	71,446	2,054,941
Deferred tax liability	8,278,135	7,936,864
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $.01 par value; 1,250,000 shares authorized, no shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively
Common stock, $.01 par value; 30,000,000 shares authorized, 14,798,147 and 14,289,308 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively	147,981	142,893
Additional paid-in-capital	73,245,459	70,606,031
Accumulated currency translation adjustment	(1,915,950)	(1,699,095)
Retained earnings	90,916,805	66,584,202
Total stockholders’ equity	162,394,295	135,634,031
Total Liabilities and Stockholders’ Equity	$ 179,096,694	$ 156,041,881