Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 71,772,194	$ 63,333,160
Marketable securities	19,999,600
Accounts receivable, net of reserves of $546,455 and $593,023 at September 30, 2014 and December 31, 2013, respectively	20,170,095	18,736,845
Inventories	13,582,456	10,996,785
Prepaid income taxes	1,343,576
Current portion deferred income taxes	659,040	659,040
Prepaid expenses and other	1,128,693	865,957
Total current assets	128,655,654	94,591,787
Property and equipment, at cost	53,379,965	52,413,423
Less: accumulated depreciation	(21,343,322)	(19,474,712)
	32,036,643	32,938,711
Long-term deposits and other	69,054	69,080
Intangible assets, net	16,033,944	18,998,409
Goodwill	8,702,295	9,443,894
Total assets	185,497,590	156,041,881
Current liabilities:
Accounts payable	1,167,545	2,793,911
Accrued expenses	5,253,693	5,537,881
Deferred revenue	12,885	180,433
Income taxes payable		770,276
Total current liabilities	6,434,123	9,282,501
Other long-term liabilities	948,858	1,133,544
Long-term deferred revenue	56,573	2,054,941
Deferred tax liability	8,353,531	7,936,864
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $.01 par value; 1,250,000 shares authorized, no shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively
Common stock, $.01 par value; 30,000,000 shares authorized, 14,800,453 and 14,289,308 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively	148,004	142,893
Additional paid-in-capital	76,064,383	70,606,031
Accumulated other comprehensive loss	(3,595,487)	(1,699,095)
Retained earnings	97,087,605	66,584,202
Total stockholders’ equity	169,704,505	135,634,031
Total Liabilities and Stockholders’ Equity	$ 185,497,590	$ 156,041,881