|
Condensed Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
|
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2011
|
Sep. 30, 2010
|
Dec. 31, 2010
|
Dec. 31, 2009
|
Dec. 31, 2008
|
| Cash flows from operating activities: |
|
|
|
|
|
| Net income |
$ 3,752 |
$ (5,000) |
$ (1,140) |
$ (2,271) |
$ (1,859) |
| Adjustments to reconcile net income (loss) to net cash provided by operating activities: |
|
|
|
|
|
| Depreciation and amortization |
118 |
52 |
86 |
82 |
223 |
| Amortization of deferred financing and waiver fees |
|
|
|
362 |
1,295 |
| (Reduction of) provision for sales returns and doubtful accounts |
(98) |
(260) |
(270) |
(273) |
499 |
| Stock-based compensation |
1,777 |
1,377 |
1,821 |
1,110 |
928 |
| Deferred tax benefit |
|
|
(9,056) |
|
|
| Amortization of common stock issued for services |
|
61 |
65 |
233 |
95 |
| Amortization of discount on notes payable |
|
|
|
|
25 |
| Gain on settlement |
|
|
|
(38) |
|
| Change in the fair value of warrant liability |
(2,548) |
9,620 |
15,987 |
6,533 |
|
| Changes in operating assets and liabilities: |
|
|
|
|
|
| Accounts receivable |
(645) |
(468) |
(377) |
(647) |
(1,759) |
| Inventory |
(214) |
508 |
274 |
195 |
(559) |
| Prepaid expenses and other current assets |
(80) |
72 |
(110) |
5 |
399 |
| Advance payments |
|
|
(110) |
(483) |
659 |
| Deferred revenue |
29 |
(84) |
(212) |
74 |
(15) |
| Accounts payable, accrued compensation, other accrued expenses, advance payments, and other current liabilities |
(482) |
730 |
1,998 |
285 |
429 |
| Other current liabilities |
|
|
(662) |
93 |
(222) |
| Net cash provided by operating activities |
1,609 |
6,608 |
8,294 |
5,260 |
138 |
| Cash flows from investing activities: |
|
|
|
|
|
| Purchase of equipment |
(1,350) |
(2,261) |
(2,348) |
(718) |
(308) |
| Purchase of investments - held to maturity |
(2,645) |
(3,500) |
(4,500) |
(3) |
(3) |
| Net cash used in investing activities |
(3,995) |
(5,761) |
(6,848) |
(721) |
(311) |
| Cash flows from financing activities: |
|
|
|
|
|
| Proceeds from sale of preferred stock, net of issuance costs |
|
|
|
|
3,933 |
| Proceeds from sale of common stock, net of issuance costs |
|
|
|
|
1,580 |
| Proceeds from exercise of stock options and warrants |
|
|
1,055 |
5 |
|
| Borrowings from line of credit |
|
|
|
|
1,934 |
| Payments related to deferred financing costs |
|
|
|
|
(117) |
| Payments of debt and capitalized lease obligations |
|
|
|
(1,653) |
(5,466) |
| Proceeds from exercise of stock options |
526 |
322 |
|
|
|
| Proceeds from exercise of stock warrants |
562 |
250 |
|
|
|
| Net cash provided by (used in) financing activities |
1,088 |
572 |
1,055 |
(1,648) |
1,864 |
| Net increase (decrease) in cash and cash equivalents |
(1,298) |
1,419 |
2,501 |
2,891 |
1,691 |
| Cash and cash equivalents, beginning of period |
7,796 |
5,295 |
5,295 |
2,404 |
713 |
| Cash and cash equivalents, end of period |
6,498 |
6,714 |
7,796 |
5,295 |
2,404 |
| Cash paid for interest |
42 |
76 |
91 |
107 |
702 |
| Cash paid for taxes |
15 |
125 |
164 |
138 |
44 |
| Issuance of shares of common stock for cashless exercise of warrants |
|
|
|
|
|
| Issuance of common stock for services charged to prepaid expenses |
|
|
|
304 |
202 |
| Conversion of debt to common stock |
|
|
|
|
251 |
| Conversion of debt to convertible preferred stock - series B |
|
|
|
|
1,706 |
| Issuance of 485,000 shares of common stock for deferred financing costs in 2008 |
|
|
|
|
340 |
| Issuance of 1,120,000 shares of common stock underlying warrants for deferred financing costs in 2008. |
|
|
|
|
715 |
| Conversion of 20 and 60 shares of Series B Convertible Preferred Stock for 26,666 and 80,000 shares of common stock in 2011 and 2010, respectively. |
|
|
|
|
|
| Issuance of 49,685 shares of common stock for cashless exercise of 60,000 stock options in 2011. |
|
|
|
|
|