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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Cash flows from operating activities:    
Net income $ 696 $ 1,976
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization of fixed and intangible assets 7,864 7,996
Amortization of other long term assets 2,734 3,027
Amortization of discounted liabilities 154 175
Stock-based compensation 2,485 1,806
Tax benefit from exercise of stock options (7) (262)
Operating loss from equity method investment 191 396
Gain from dilution of equity method investment   (256)
Changes in assets and liabilities associated with operations:    
Decrease (increase) in net receivables 8,975 (1,025)
Decrease (increase) in inventories 397 (35,410)
Decrease (increase) in prepaid expenses and other assets 143 (5,049)
(Increase) decrease in income tax receivable/payable, net (878) 120
Decrease in accounts payable (392) (16,521)
Increase (decrease) in deferred revenue 3,611 (2,276)
Increase in other payables and accrued expenses 17,851 16,264
Net cash provided by (used in) operating activities 43,824 (29,039)
Cash flows from investing activities:    
Capital expenditures (3,480) (3,954)
Investment (125)  
Acquisitions of product lines and other intangibles assets (36,435)  
Net cash used in investing activities (40,040) (3,954)
Cash flows from financing activities:    
Net (payments) borrowings under line of credit agreement (11,120) 34,430
Increase in other notes payable 10,000  
Payments on other long-term liabilities (899) (1,109)
Tax benefit from exercise of stock options 7 262
Repurchases of common stock   (1,531)
Payment of cash dividends (1,141) (2,836)
Net (payments) proceeds from the issuance of common stock (sale of stock under ESPP and exercise of stock options) (40) 1,196
Net cash (used in) provided by financing activities (3,193) 30,412
Net increase (decrease) in cash and cash equivalents 591 (2,581)
Cash and cash equivalents at beginning of period 4,885 6,680
Effect of exchange rate changes on cash (387) 90
Cash and cash equivalents at end of period $ 5,089 $ 4,189