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CONSOLIDATED BALANCE SHEETS (USD $)
Mar. 31, 2014
Dec. 31, 2013
CURRENT ASSETS:    
Cash and cash equivalents $ 35,931,000 $ 70,586,000
Short-term investments 230,990,000 202,024,000
Accounts receivable 24,508,000 15,657,000
Inventory 14,592,000 10,595,000
Deferred income taxes 20,558,000 21,563,000
Other current assets 11,150,000 6,623,000
Total current assets 337,729,000 327,048,000
PROPERTY AND EQUIPMENT, net of accumulated depreciation of $23,251 and $22,756 15,004,366 14,893,000
ACQUIRED TECHNOLOGY, net of accumulated amortization of $35,591 and $32,841 91,261,000 94,011,000
INVESTMENTS 3,051,000 7,417,000
DEFERRED INCOME TAXES 18,309,000 19,143,000
OTHER ASSETS 602,000 242,000
TOTAL ASSETS 465,956,000 462,754,000
CURRENT LIABILITIES:    
Accounts payable 8,368,000 5,256,000
Accrued expenses 6,956,000 16,039,000
Deferred revenue 3,375,000 1,910,000
Other current liabilities 1,041,000 24,000
Total current liabilities 19,740,000 23,229,000
DEFERRED REVENUE 3,503,000 2,403,000
RETIREMENT PLAN BENEFIT LIABILITY 9,709,000 9,436,000
Total liabilities 32,952,000 35,068,000
COMMITMENTS AND CONTINGENCIES (Note 12)     
SHAREHOLDERS' EQUITY:    
Preferred Stock, par value $0.01 per share, 5,000,000 shares authorized, 200,000 shares of Series A Nonconvertible Preferred Stock issued and outstanding (liquidation value of $7.50 per share or $1,500) 2,000 2,000
Common Stock, par value $0.01 per share, 100,000,000 shares authorized, 46,889,496 and 46,825,168 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively 469,000 468,000
Additional paid-in capital 573,574,000 572,401,000
Accumulated deficit (126,137,000) (130,159,000)
Accumulated other comprehensive loss (4,246,000) (4,368,000)
Treasury stock, at cost (401,501 shares at March 31, 2014 and December 31, 2013, respectively) (10,658,000) (10,658,000)
Total shareholders’ equity 433,004,000 427,686,000
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 465,956,000 $ 462,754,000