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Stockholder's Equity | 12 Months Ended
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Dec. 31, 2014
Stockholder's Equity |
Stockholder's Equity | 14.Stockholder’s Equity Preferred Stock The Company has 5,000,000 shares of authorized, but unissued shares of preferred stock with a par value of $0.001 per share. Common Stock During the year ended December 31, 2014, the Company issued an aggregate of 12,801,183 shares of common stock, including 2,720,000 shares of common stock in connection with the acquisitions of Paloma and VasculoMedics (see note 3 to the consolidated financial statements), 53,457 shares of common stock to a law firm in settlement of outstanding legal obligations, 100,000 shares of common stock to a member of the Company’s Board of Directors upon conversion of convertible promissory notes (see note 11 to the consolidated financial statements), 546,553 shares of common stock to the Company’s Chairman of the Board upon conversion of convertible promissory notes (see note 13 to the consolidated financial statements), an aggregate of 160,056 shares of common stock to creditors in settlement of outstanding debt, 150,000 shares of common stock for assumption of liabilities, 274,764 shares of common stock upon conversion of three notes payable, and an aggregate of 8,895,685 shares of common stock in connection with a private placement, as described below. During the year ended December 31, 2014, ASC surrendered 99,332 shares of common stock to the Company (see note 12 to the consolidated financial statements). Private Placements On April 29, 2014, the Company issued to various institutional and individual accredited investors an aggregate of 2,776,500 shares of common stock and four-year warrants to purchase an aggregate of 832,950 shares of common stock. The price of each unit, which consisted of one share of common stock plus a warrant to purchase 0.3 share of common stock was $4.00. The exercise price of the warrant is $4.80 per share. In addition, on April 29, 2014, the Company issued to its placement agent as part of its compensation warrants to purchase 277,650 shares of common stock, on substantially the same terms as the warrants issued to investors. Also, on April 29, 2014, the Company issued a warrant to purchase 35,000 shares of common stock to its placement agent as compensation for a debt conversion transaction. The exercise price of the warrant is $4.80 per share. On May 6, 2014, the Company issued to various institutional and individual accredited investors an aggregate of 3,418,125 shares of common stock and four-year warrants to purchase an aggregate of 1,025,438 shares of common stock. The price of each unit, which consisted of one share of common stock plus a warrant to purchase 0.3 share of common stock was $4.00. The exercise price of the warrant is $4.80 per share. In addition, on May 6, 2014, the Company issued to its placement agent as part of its compensation warrants to purchase 341,813 shares of common stock, on substantially the same terms as the warrants issued to investors. On May 21, 2014, the Company issued to various institutional and individual accredited investors an aggregate of 872,310 shares of common stock and four-year warrants to purchase an aggregate of 261,693 shares of common stock. The price of each unit, which consisted of one share of common stock plus a warrant to purchase 0.3 share of common stock was $4.00. The exercise price of the warrant is $4.80 per share. In addition, on May 21, 2014, the Company issued to its placement agent as part of its compensation warrants to purchase 89,731 shares of common stock, on substantially the same terms as the warrants issued to investors. On June 13, 2014, the Company issued to various institutional and individual accredited investors an aggregate of 1,778,750 shares of common stock and four-year warrants to purchase an aggregate of 533,625 shares of common stock. The price of each unit, which consisted of one share of common stock plus a warrant to purchase 0.3 share of common stock was $4.00. The exercise price of the warrant is $4.80 per share. In addition, on June 13, 2014, the Company issued to its placement agent as part of its compensation warrants to purchase 177,875 shares of common stock, on substantially the same terms as the warrants issued to investors. On July 10, 2014, the Company issued to various institutional and individual accredited investors an aggregate of 50,000 shares of common stock and four-year warrants to purchase an aggregate of 15,000 shares of common stock. The price of each unit, which consisted of one share of common stock plus a warrant to purchase 0.3 share of common stock was $4.00. The exercise price of the warrant is $4.80 per share. In addition, on June 13, 2014, the Company issued to its placement agent as part of its compensation warrants to purchase 5,000 shares of common stock, on substantially the same terms as the warrants issued to investors. Gross proceeds of the private placement to the Company were approximately $35.6 million and net proceeds were approximately $31.9 million, after paying $3.6 million of placement agent fees and $0.1 million of offering expenses. The Company filed a registration statement on Form S-1 with the SEC on July 14, 2014 registering the offering and resale of 11,633,885 shares of common stock, including the outstanding shares of common stock and shares of common stock issuable upon exercise of the warrants issued in the private placement. This registration statement was declared effective by the SEC on July 31, 2014. Common Stock Issued in Settlement of Obligations On April 29, 2014, the Company issued to its Chairman of the Board 546,553 shares of common stock and a warrant to purchase 351,060 shares of common stock at an exercise price of $2.00 per share upon conversion of four convertible promissory notes in the aggregate principal amount of $1,050,000 issued by the Company. The Company recorded a loss on this conversion in the amount $1,670,579. On May 21, 2014 the Company issued 259,236 shares of common stock to a creditor upon conversion of a promissory note in the principal amount of $500,000. On December 2, 2014, the Company issued 7,764 shares of common stock to two creditors upon conversion of promissory notes in the principal amount of $50,000. The Company recorded a loss on these settlements in the amount of $400,017. The Company issued an aggregate of 160,056 shares of common stock to creditors, former directors and a former officer, pursuant to settlements of outstanding liabilities then owed to such individuals, and 53,457 shares of common stock and a warrant to purchase 16,037 shares of common stock as part of settlement of outstanding amounts due to the law firm. On October 21, 2014, the Company issued to a member of the Company’s Board of Directors 100,000 shares of common stock and a warrant to purchase 75,000 shares of common stock at an exercise price of $4.80 per share upon conversion of a note payable in the principal amount of $200,000 issued by the Company. The Company recorded a loss on this conversion in the amount $257,394. Stock Options Options to purchase an aggregate of 3,648,247 shares of common stock were outstanding as of December 31, 2014, and options to purchase an aggregate of 1,072,111 shares of common stock were exercisable as of December 31, 2014. During the year ended December 31, 2014, the Company issued options to purchase an aggregate of 438,131 shares of common stock to non-employee members of the Company’s Board of Directors at a weighted average exercise price of $3.70 per share. These options have a ten-year term and vest in equal quarterly installments over three years. During the year ended December 31, 2014, the Company issued options to purchase an aggregate of 2,849,050 shares of common stock to employees of the Company at a weighted average exercise price of $3.70 per share. These options have a ten-year term and vest in equal quarterly installments over three years. Warrants Warrants to purchase an aggregate of 4,823,766 shares of the Company’s common stock were outstanding and exercisable as of December 31, 2014:
Issue Date |  | Number of Underlying Shares of Common Stock |  | Per Share Exercise Price |  | Expiration Date |
February 19, 2010 |  | 3,000 |  | $ | 165.00 |  | February 19, 2015 |
March 24, 2010 |  | 2,500 |  | 30.00 |  | March 24, 2015 |
March 24, 2010 |  | 500 |  | 165.00 |  | March 24, 2015 |
March 29, 2010 |  | 2,500 |  | 165.00 |  | March 29, 2015 |
May 26, 2010 |  | 666 |  | 200.00 |  | May 26, 2015 |
June 18, 2010 |  | 5,834 |  | 200.00 |  | June 18, 2015 |
July 26, 2010 |  | 20,000 |  | 30.00 |  | July 26, 2015 |
July 26, 2010 |  | 700 |  | 100.00 |  | July 26, 2015 |
October 25, 2010 |  | 473 |  | 200.00 |  | October 25, 2015 |
November 4, 2010 |  | 113 |  | 200.00 |  | November 4, 2015 |
November 22, 2010 |  | 1,656 |  | 100.00 |  | November 22, 2015 |
November 25, 2010 |  | 500 |  | 100.00 |  | November 25, 2015 |
December 23, 2010 |  | 3,750 |  | 100.00 |  | December 23, 2015 |
February 2, 2011 |  | 2,000 |  | 100.00 |  | February 2, 2016 |
February 23, 2011 |  | 1,500 |  | 100.00 |  | February 23, 2016 |
March 15, 2011 |  | 1,200 |  | 100.00 |  | March 15, 2016 |
April 6, 2011 |  | 2,000 |  | 100.00 |  | April 6, 2016 |
April 15, 2011 |  | 1,200 |  | 100.00 |  | April 15, 2016 |
April 26, 2011 |  | 2,500 |  | 100.00 |  | April 26, 2016 |
April 29, 2011 |  | 3,000 |  | 100.00 |  | April 29, 2016 |
June 26, 2011 |  | 104,057 |  | 65.00 |  | June 26, 2016 |
June 26, 2011 |  | 52,028 |  | 100.00 |  | June 26, 2016 |
July 1, 2011 |  | 5,300 |  | 65.00 |  | July 1, 2016 |
May 23, 2012 |  | 30,000 |  | 30.00 |  | May 23, 2017 |
July 1, 2012 |  | 10,000 |  | 75.00 |  | July 1, 2017 |
August 20, 2012 |  | 90,000 |  | 38.00 |  | August 20, 2017 |
March 27, 2013 |  | 173,917 |  | 3.00 |  | March 27, 2018 |
March 17, 2014 |  | 15,000 |  | 4.90 |  | March 17, 2019 |
April 29, 2014 |  | 832,950 |  | 4.80 |  | April 29, 2018 |
April 29, 2014 |  | 277,650 |  | 4.80 |  | April 29, 2018 |
April 29, 2014 |  | 35,000 |  | 4.80 |  | April 29, 2018 |
April 29, 2014 |  | 351,060 |  | 2.00 |  | April 29, 2018 |
May 6, 2014 |  | 1,025,438 |  | 4.80 |  | May 6, 2018 |
May 6, 2014 |  | 341,813 |  | 4.80 |  | May 6, 2018 |
May 21, 2014 |  | 261,693 |  | 4.80 |  | May 21, 2018 |
May 21, 2014 |  | 89,731 |  | 4.80 |  | May 21, 2018 |
June 13, 2014 |  | 533,625 |  | 4.80 |  | June 13, 2018 |
June 13, 2014 |  | 177,875 |  | 4.80 |  | June 13, 2018 |
June 13, 2014 |  | 16,037 |  | 4.80 |  | June 13, 2018 |
July 10, 2014 |  | 15,000 |  | 4.80 |  | July 10, 2018 |
July 10, 2014 |  | 5,000 |  | 4.80 |  | July 10, 2018 |
October 21, 2014 |  | 75,000 |  | 4.80 |  | October 21, 2018 |
December 8, 2014 |  | 250,000 |  | 3.75 |  | December 8, 2019 |
|  | 4,823,766 |  |  |  |  |
During the year ended December 31, 2014, the Company issued to investors in its private placement warrants to purchase an aggregate of 2,668,706 shares of common stock at an exercise price of $4.80 per share and to the placement agent in the private placement as partial consideration for its services in connection with the private placement warrants to purchase an aggregate of 892,069 shares of common stock at an exercise price of $4.80 per share. The Company also issued the placement agent a warrant to purchase 35,000 shares of common stock at an exercise price of $4.80 per share as compensation for a debt conversion transaction. These warrants have a four-year term and were immediately vested and exercisable as of the date of grant. In addition, during the year ended December 31, 2014, the Company issued to its Chairman of the Board a warrant to purchase 351,060 shares of common stock at an exercise price of $2.00 per share in addition to 546,553 shares of common stock upon conversion of four convertible promissory notes of the Company in the aggregate principal amount of $1,050,000. See note 13 to the consolidated financial statements. This warrant has a four-year term and was immediately vested and exercisable as of the date of grant, resulting in Black-Scholes fair value of $803,221 included within “settlement loss on notes payable — related parties” on the consolidated statements of operations during the year ended December 31, 2014. In addition, during the year ended December 31, 2014, the Company issued a warrant to purchase 75,000 shares of common stock at an exercise price of $4.80 per share in addition to 100,000 shares of common stock to a member of the Company’s Board of Directors upon conversion of a non-interest bearing and unsecured note in the principal amount of $200,000. See note 13 to the consolidated financial statements. This warrant has a four-year term and was immediately vested and exercisable as of the date of grant, resulting in Black-Scholes fair value of $107,395 included within “settlement loss on notes payable — related parties” on the consolidated statements of operations during the year ended December 31, 2014. In addition, during the year ended December 31, 2014, the Company issued to a law firm a four-year warrant to purchase 16,037 shares of common stock at an exercise price of $4.80 as part of a settlement of outstanding amounts due to the law firm. This warrant has a four-year term and was immediately vested and exercisable as of the date of grant, resulting in Black-Scholes fair value of $24,393 included within “general and administrative expenses” on the consolidated statements of operations during the year ended December 31, 2014. In addition, during the year ended December 31, 2014, the Company issued to an independent consultant a warrant to purchase 15,000 shares of common stock at an exercise price of $4.90 in consideration for services. This warrant has a five-year term and vested in monthly installments over one year, resulting in 12,500 vested shares and a Black-Scholes warrant expense of $25,976 during the year ended December 31, 2014. There are 2,500 unvested warrants for this independent consultant as of December 31, 2014. In addition, during the year ended December 31, 2014, the Company issued to its investor relations firm a warrant to purchase 250,000 shares of common stock at an exercise price of $3.75 in consideration for investor relations services for one year, commencing December 15, 2014 and ending December 14, 2015. This warrant has a five-year term and was immediately vested and exercisable as of the date of grant, resulting in Black-Scholes warrant value of $517,576, of which $21,566 was expensed in general and administrative expenses during the year ended December 31, 2014. During the year ended December 31, 2013, the Company issued to three financial advisors warrants to purchase an aggregate of 173,917 shares of common stock at an exercise price of $3.00 per share. These warrants have a five-year term and were immediately vested and exercisable as of the date of grant, resulting in Black-Scholes warrant expense of $462,618 during the year ended December 31, 2013. The fair value of the underlying common stock was based on the sale by the Company of 139,167 shares of common stock at a purchase price of $3.00 per share during the three months ended June 30, 2013. The Company estimates the fair value of warrants using a Black-Scholes model that considers assumptions noted in the table below:
|  | 2014 |  | 2013 |
Risk-free interest rate |  | 1.11% - 1.67% |  | 0.35% |
Expected life in years |  | 4.0 – 5.0 |  | 5.0 |
Expected volatility |  | 64% - 66% |  | 141% |
Expected dividend yield |  | — |  | — |
During the year ended December 31, 2013, the Series E warrants, along with related warrants with similar terms, were exchanged for 1,023,264 shares of common stock and these warrants were extinguished, thereby removing the “overhang” created by the full-ratchet provisions of these warrants that would have increased the number of warrants outstanding and reduced the exercise price of these warrants to the price of any subsequent financing done at a lower price. This exchange of common stock for the Series E warrants resulted in a fair value charge of $3,069,792 during the year ended December 31, 2013. These 1,023,264 shares of common stock were valued at $3.00 per share, which was the price at which the Company sold 139,167 shares during the three months ended June 30, 2013, resulting in the fair value charge of $3,069,792.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 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 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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