Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cash flows from operating activities:    
Net income (loss) $ (1,740) $ 21,131
Reconciliation of net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 340 594
Stock-based compensation 381 335
Gain on CNS asset sale   (31,608)
Restructuring 92 245
Deferred taxes (974) 11,773
Changes in assets and liabilities:    
Accounts receivable (360) 5,096
Inventory (140) 196
Prepaid expenses and other current assets 1 (382)
Other assets and liabilities (427) (7)
Deferred revenue (58) 270
Accounts payable and accrued expenses (650) (12,633)
Accrued compensation 350 (2,273)
Net cash provided by (used in) operating activities (3,185) (7,263)
Cash flows from investing activities:    
Maturities of held-to-maturity short-term debt securities 5,048  
Maturities of other short-term investments 3,175 490
Purchases of held-to-maturity short-term debt securities (6,665)  
Purchases of other short-term investments (2,695) (5,155)
Purchases of property and equipment (51) (335)
Payments for business acquisition (2,524)  
Proceeds from CNS asset sale   36,637
Changes in restricted cash (1) (3,350)
Net cash provided by (used in) investing activities (3,713) 28,287
Cash flows from financing activities:    
Purchases of treasury stock (5,115) (6,327)
Proceeds from stock options exercised 21 1,206
Net cash provided by (used in) financing activities (5,094) (5,121)
Effect of exchange rate changes on cash (21) 20
Net increase in cash and cash equivalents (12,013) 15,923
Cash and cash equivalents, beginning of period 120,832 86,408
Cash and cash equivalents, end of period $ 108,819 $ 102,331