CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands |
9 Months Ended |
Sep. 30, 2015 |
Sep. 30, 2014 |
| Operating activities |
|
|
| Net income (loss) |
$ (999)
|
$ 4,235
|
| Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
| Depreciation expense |
2,146
|
1,880
|
| Amortization of intangible assets |
1,113
|
330
|
| Provision for doubtful accounts |
281
|
271
|
| Stock-based compensation |
5,336
|
3,994
|
| Excess tax benefit from exercise of options for common stock |
|
(18)
|
| Changes in assets and liabilities: |
|
|
| Accounts receivable |
(2,097)
|
(4,338)
|
| Inventories |
(1,779)
|
(175)
|
| Restricted cash |
|
(334)
|
| Prepaid expenses and other current assets |
(566)
|
(402)
|
| Other assets |
(247)
|
(24)
|
| Accounts payable |
342
|
956
|
| Accrued liabilities |
(622)
|
(2,072)
|
| Deferred revenue |
347
|
99
|
| Other long-term liabilities |
(298)
|
(26)
|
| Net cash provided by operating activities |
2,957
|
4,376
|
| Investing activities |
|
|
| Purchases of available-for-sale investments |
(49,095)
|
(86,765)
|
| Proceeds from sales of available-for-sale investments |
2,018
|
2,850
|
| Proceeds from maturities of available-for-sale investments |
49,535
|
11,915
|
| Purchases of property and equipment |
(2,917)
|
(2,148)
|
| Business acquisitions, net of cash acquired |
(8,380)
|
(1,116)
|
| Net cash used in investing activities |
(8,839)
|
(75,264)
|
| Financing activities |
|
|
| Proceeds from exercise of options for common stock |
1,127
|
4,630
|
| Excess tax benefit from exercise of options for common stock |
|
18
|
| Repurchase of common stock |
(4,942)
|
|
| Repayment of notes payable |
(722)
|
(847)
|
| Net cash provided by (used in) financing activities |
(4,537)
|
3,801
|
| Effect of exchange rate changes on cash and cash equivalents |
(31)
|
(9)
|
| Net decrease in cash and cash equivalents |
(10,450)
|
(67,096)
|
| Cash and cash equivalents at beginning of period |
29,187
|
84,546
|
| Cash and cash equivalents at end of period |
18,737
|
17,450
|
| Supplemental disclosure of cash flow information |
|
|
| Cash paid for interest |
85
|
150
|
| Cash paid for taxes |
431
|
227
|
| Supplemental schedule of non-cash investing and financing activities |
|
|
| Net unrealized losses on available-for-sale investments |
$ 65
|
$ 46
|