|
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2012
|
Mar. 31, 2011
|
Dec. 31, 2011
|
Dec. 31, 2010
|
| Cash Flows From Operating Activities: |
|
|
|
|
| Net loss |
$ (1,849) |
$ (2,223) |
$ (7,626) |
$ (1,195) |
| Net Income (Loss) from Discontinued Operations |
649 |
37 |
(523) |
(516) |
| Adjustments to reconcile net loss to net cash used in operating activities: |
|
|
|
|
| Stock-based compensation |
508 |
768 |
973 |
400 |
| Stock issued as employee compensation |
0 |
76 |
94 |
47 |
| Stock issued for license fee |
|
|
0 |
70 |
| Stock issued for exclusive channel collaboration agreement |
|
|
1,684 |
0 |
| Stock issued for consulting fees |
0 |
58 |
165 |
214 |
| Warrant expense |
0 |
716 |
1,492 |
0 |
| Change in fair value of warrant liability |
0 |
94 |
242 |
0 |
| Depreciation |
20 |
80 |
144 |
346 |
| Provision for uncollectible accounts receivable |
8 |
21 |
414 |
130 |
| Amortization of premium on investments |
|
|
57 |
0 |
| Loss on sale of short-term investment |
|
|
20 |
0 |
| Gain (loss) on the sale of equipment |
0 |
5 |
6 |
(3) |
| Impairment loss on equipment |
|
|
0 |
121 |
| Gain on the settlement of accounts payable |
0 |
(63) |
(63) |
0 |
| Changes in operating assets and liabilities: |
|
|
|
|
| Accounts receivable |
(43) |
(111) |
(480) |
(438) |
| Other current assets |
(67) |
268 |
327 |
(335) |
| Note receivable |
(700) |
0 |
|
|
| Deposits and other assets |
10 |
68 |
60 |
0 |
| Assets of discontinued operations |
23 |
3 |
191 |
13 |
| Accounts payable |
(72) |
154 |
153 |
(196) |
| Accrued liabilities |
98 |
(192) |
(181) |
202 |
| Liabilities of discontinued operations |
0 |
(40) |
(24) |
(5) |
| Net Cash Used In Operating Activities |
(1,415) |
(281) |
(2,875) |
(1,145) |
| Cash Flows From Investing Activities: |
|
|
|
|
| Purchase of short-term investments |
|
|
(4,370) |
0 |
| Proceeds from short-term investments |
|
|
4,293 |
0 |
| Purchases of property and equipment |
|
|
0 |
(12) |
| Proceeds from the sale of equipment |
0 |
1 |
2 |
77 |
| Net Cash Provided By (Used In) Investing Activities |
0 |
1 |
(75) |
65 |
| Cash Flows From Financing Activities: |
|
|
|
|
| Proceeds from issuance of common stock for stock option and warrant exercises |
68 |
8 |
15 |
129 |
| Proceeds from issuance of common stock for warrant exercises |
1,471 |
0 |
|
|
| Proceeds from issuance of common stock for exclusive channel collaboration agreement |
|
|
3 |
0 |
| Proceeds from the issuance of common stock |
0 |
4,000 |
7,500 |
1,000 |
| Cash paid as direct offering costs |
0 |
(296) |
(539) |
(115) |
| Net Cash Provided By Financing Activities |
1,539 |
3,712 |
6,979 |
1,014 |
| Net increase (decrease) in cash |
124 |
3,432 |
4,029 |
(66) |
| Cash at the beginning of period |
6,678 |
2,649 |
2,649 |
2,715 |
| Cash at the end of period |
6,802 |
6,080 |
6,678 |
2,649 |
| Supplemental disclosures of cash flow information: |
|
|
|
|
| Cash paid for interest |
0 |
0 |
0 |
10 |
| Cash paid for taxes |
0 |
0 |
0 |
0 |
| Supplemental disclosure of non-cash investing and financing activities: |
|
|
|
|
| Exchange of equipment |
|
|
0 |
64 |
| Reclassification of warrant liability to additional paid-in capital |
|
|
$ 1,734 |
$ 0 |