v3.5.0.2
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Operating activities:    
Net loss $ (5,105) $ (10,244)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization expense 3,578 3,644
Stock-based expense 3,944 3,935
Bad debt expense (recovery) (179) 85
Amortization of deferred financing costs 59 59
Other non-cash expense (benefit) (39) 51
Changes in operating assets and liabilities:    
Accounts receivable 1,749 (1,076)
Prepaid expenses and other current assets (507) (48)
Other non-current assets 869 (314)
Accounts payable (2,616) (808)
Accrued expenses and other current liabilities (4,442) (4,162)
Deferred revenue 2,974 2,498
Other liabilities, long-term (156) 4
Net cash provided by (used in) operating activities 129 (6,376)
Investing activities:    
Proceeds from sale of discontinued operations 0 4,501
Purchases of property, equipment and capitalized internal-use software development costs (2,760) (2,929)
Purchases of short-term investments (12,691) (15,155)
Proceeds from maturities of short-term investments 15,010 18,172
Net cash provided by (used in) investing activities (441) 4,589
Financing activities:    
Proceeds from employee stock compensation plans 395 1,101
Net cash provided by financing activities 395 1,101
Effect of exchange rate fluctuations on cash and cash equivalents (538) 95
Net change in cash and cash equivalents (455) (591)
Cash and cash equivalents at beginning of period 43,963 54,041
Cash and cash equivalents at end of period 43,508 53,450
Supplemental disclosure of other cash flow information:    
Cash paid for income taxes, net of refunds 183 335
Cash paid for interest 419 542
Supplemental disclosure of non-cash investing and financing activities:    
Purchase of fixed assets recorded in accounts payable 83 413
Capitalized stock-based compensation $ 122 $ 114