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
6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash flows from operating activities:    
Net income (loss) $ (3,915) $ 24,629
Reconciliation of net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 666 1,191
Stock-based compensation 731 667
Gain on CNS asset sale    (31,654)
Loss (gain) on sale or disposal of fixed assets (9)   
Restructuring 149 277
Deferred taxes (1,993) 12,034
Exchange rate (gain) loss 1 (2)
Gain on sale of non-operating assets    (325)
Changes in assets and liabilities:    
Accounts receivable (234) 6,226
Inventory 243 13
Prepaid expenses and other current assets (701) 827
Other assets and liabilities (292) 42
Deferred revenue (77) 229
Accounts payable and accrued expenses (349) (16,241)
Accrued compensation (87) (2,551)
Net cash provided by (used in) operating activities (5,867) (4,638)
Cash flows from investing activities:    
Maturities of held-to-maturity short-term debt securities 8,129 503
Maturities of other short-term investments 4,836 490
Purchases of held-to-maturity short-term debt securities (17,963) (13,868)
Purchases of other short-term investments (3,679) (5,481)
Purchases of property and equipment (171) (697)
Payments for business acquisition (2,524)   
Proceeds from CNS asset sale    36,683
Proceeds from sale or disposal of fixed assets 15  
Proceeds from sale of non-operating assets   325
Changes in restricted cash 2,613 (3,350)
Net cash provided by (used in) investing activities (8,744) 14,605
Cash flows from financing activities:    
Purchases of treasury stock (9,826) (8,825)
Proceeds from stock options exercised 29 1,578
Net cash provided by (used in) financing activities (9,797) (7,247)
Effect of exchange rate changes on cash 3 (102)
Net increase (decrease) in cash and cash equivalents (24,405) 2,618
Cash and cash equivalents, beginning of period 120,832 86,408
Cash and cash equivalents, end of period $ 96,427 $ 89,026