Consolidated Statements of Cash Flows (USD $) | 3 Months Ended | 111 Months Ended |
In Thousands, unless otherwise specified | Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2014 |
Operating activities | ' | ' | ' |
Net loss | ($4,065) | ($731) | ($85,551) |
Adjustments to reconcile net loss to net cash used in operating activities: | ' | ' | ' |
Net (income) loss from discontinued operations | -1,117 | 0 | 908 |
Depreciation | 10 | 3 | 416 |
Loss on disposal of fixed assets | 0 | 0 | 15 |
Amortization of intangibles | 41 | 0 | 336 |
Stock based compensation | 1,375 | 16 | 2,763 |
Change in valuation of warrant liability | 0 | -5 | -72 |
Impairment of intangible assets | 0 | 0 | 3,070 |
(Amortization of discount) accretion of premium on investment securities | 95 | 50 | -208 |
Debt discount, net and noncash interest expense | 0 | 46 | 410 |
Changes in operating assets and liabilities: | ' | ' | ' |
Accounts receivable | 47 | 0 | 92 |
Prepaid expenses and other assets | -57 | 9 | -483 |
Accounts payable | -406 | -125 | -123 |
Accrued liabilities | -896 | 77 | 45 |
Net cash used in continuing operating activities | -4,973 | -660 | -78,382 |
Net cash used in discontinued operating activities | -412 | 0 | -1,418 |
Net cash used in operating activities | -5,385 | -660 | -79,800 |
Investing activities | ' | ' | ' |
Purchases of property and equipment | -2 | -2 | -406 |
Purchase of short-term and long-term investments | -5,371 | 0 | -181,531 |
Sale and maturities of short-term investments | 4,250 | 0 | 149,036 |
Cash received from merger transaction | 0 | 0 | 7,464 |
Net cash used in continuing investing activities | -1,123 | -2 | -25,437 |
Net cash provided by discontinued investing activities | 1,000 | 0 | 4,000 |
Net cash used in investing activities | -123 | -2 | -21,437 |
Financing activities | ' | ' | ' |
Proceeds from sale of convertible preferred stock | 0 | 0 | 60,744 |
Proceeds from the sale of common stock, net | 0 | 0 | 46,425 |
Proceeds from issuance of convertible notes payable, net | 0 | 0 | 2,940 |
Proceeds from note payable | 0 | 0 | 4,000 |
Repayments of note payable | 0 | 0 | -4,000 |
Proceeds from issuance of promissory note | 0 | 0 | 1,000 |
Proceeds from issuance of common stock | 396 | 20 | 549 |
Net cash provided by continuing financing activities | 396 | 20 | 111,658 |
Net increase (decrease) in cash and cash equivalents | -5,112 | -642 | 10,421 |
Cash and cash equivalentsbbeginning of period | 15,533 | 2,303 | 0 |
Cash and cash equivalentsbend of period | 10,421 | 1,661 | 10,421 |
Supplemental schedule of noncash investing and financing activities | ' | ' | ' |
Warrants issued in connection with notes payable | 0 | 0 | 143 |
Reclassification of warrant liability to additional paid-in-capital | 0 | 0 | 94 |
Issuance of options related to consulting agreement | 0 | 0 | 13 |
Cash paid for interest | 0 | 0 | 861 |
Conversion of convertible promissory note and interest to common stock | 0 | 0 | 4,233 |
Conversion of convertible preferred stock to common stock | 0 | 0 | 61,743 |
Common stock issued in connection with merger transaction | $0 | $0 | $13,524 |