|
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
Mar. 31, 2014
|
Mar. 31, 2013
|
| Operating activities |
|
|
| Net loss |
$ (539) |
$ (1,471) |
| Adjustments to reconcile net loss to net cash used in operating activities: |
|
|
| Depreciation expense |
608 |
512 |
| Amortization of intangible assets |
98 |
68 |
| Provision for doubtful accounts |
59 |
70 |
| Stock-based compensation |
1,247 |
838 |
| Warrant liability income |
|
(25) |
| Changes in assets and liabilities: |
|
|
| Accounts receivable |
(603) |
(332) |
| Inventories |
(1,783) |
(94) |
| Prepaid expenses and other current assets |
(246) |
(338) |
| Other assets |
(23) |
(1,595) |
| Accounts payable |
1,038 |
(1,319) |
| Accrued liabilities |
(1,408) |
77 |
| Deferred revenue |
122 |
493 |
| Other long-term liabilities |
(17) |
179 |
| Net cash used in operating activities |
(1,447) |
(2,937) |
| Investing activities |
|
|
| Purchases of available-for-sale investments |
(59,775) |
|
| Proceeds from sales of available-for-sale investments |
1,043 |
|
| Purchases of property and equipment |
(389) |
(1,431) |
| Net cash used in investing activities |
(59,121) |
(1,431) |
| Financing activities |
|
|
| Proceeds from exercise of options for common stock |
3,199 |
37 |
| Proceeds from notes payable |
|
435 |
| Repayment of notes payable |
(297) |
(200) |
| Net cash provided by financing activities |
2,902 |
272 |
| Effect of exchange rate changes on cash and cash equivalents |
5 |
(26) |
| Net decrease in cash and cash equivalents |
(57,661) |
(4,122) |
| Cash and cash equivalents at beginning of period |
84,546 |
18,695 |
| Cash and cash equivalents at end of period |
26,885 |
14,573 |
| Supplemental disclosure of cash flow information |
|
|
| Cash paid for interest |
39 |
63 |
| Cash paid for taxes |
$ 93 |
$ 50 |