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Condensed Consolidated Balance Sheets(unaudited) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 26,829,029 $ 28,201,932
Accounts receivable, net of reserves of $0 and $30,000 at June 30, 2011 and December 31, 2010, respectively 17,019,792 14,819,868
Inventories 9,171,778 8,949,745
Current portion deferred income taxes 1,990,626 1,990,609
Prepaid expenses and other 2,474,212 2,360,182
Total current assets 57,485,437 56,322,336
Property and equipment, at cost 50,459,747 49,696,989
Less: accumulated depreciation (13,575,046) (12,715,595)
Property, Plant and Equipment, Net, Total 36,884,701 36,981,394
Long-term deposits and other 368,017 776,993
Intangible assets, net 26,782,435 25,764,185
Goodwill 9,871,977 9,091,960
Total Assets 131,392,567 128,936,868
Current liabilities:    
Accounts payable 7,587,384 9,694,355
Accrued expenses 5,486,793 5,375,585
Deferred revenue 2,707,527 2,700,000
Current portion of long-term debt 1,600,000 1,600,000
Total current liabilities 17,381,704 19,369,940
Other long-term liabilities 2,366,260 1,560,205
Long-term deferred revenue 4,049,995 5,399,995
Deferred tax liability 6,060,689 6,216,582
Long-term debt 10,400,000 11,200,000
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, 2011 and December 31, 2010, respectively    
Common stock, $.01 par value; 30,000,000 shares authorized, 13,622,327 and 13,482,384 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively 136,223 134,823
Additional paid-in-capital 62,808,017 61,817,558
Accumulated currency translation adjustment (202,914) (2,547,776)
Retained earnings 28,392,593 25,785,541
Total stockholders' equity 91,133,919 85,190,146
Total Liabilities and Stockholders' Equity $ 131,392,567 $ 128,936,868