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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Current assets: |  |
Cash | $ 8,844 | $ 8,815
Accounts receivable, net | 558 | 969
Projects in process | 503 | 736
Prepaid expenses and other current assets | 651 | 616
Total current assets | 10,556 | 11,136
Property and equipment, net | 758 | 335
Total assets | 11,314 | 11,471
Current liabilities: |  |
Accounts payable | 651 | 479
Accrued expenses | 848 | 978
Deferred revenue | 3,252 | 3,666
Current portion of capital lease obligations | 66 |
Total current liabilities | 4,817 | 5,123
Capital lease obligations, net of current portion | 410 |
Total liabilities | 5,227 | 5,123
Commitments and contingencies (Note 6) |  |
Stockholders' equity: |  |
Common stock, 70,000,000 shares authorized with par value $0.001 per share; 40,455,352 and 37,933,799 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively | 40 | 38
Additional paid-in capital | 168,875 | 157,994
Accumulated other comprehensive (loss) income | (6) | 11
Accumulated deficit | (162,822) | (151,695)
Total stockholders' equity | 6,087 | 6,348
Total liabilities and stockholders ' equity | 11,314 | 11,471
Series B Preferred Stock |  |
Stockholders' equity: |  |
Series B Preferred stock, 54,425 shares authorized with par value $0.001 per share; 83 shares issued and outstanding at September 30, 2014 and December 31, 2013. (In the event of dissolution, each share of Series B Preferred stock has a liquidation preference equal to par value of $0.001 over the shares of common stock) |  |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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