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12. STOCKHOLDERS EQUITY | 12 Months Ended
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Sep. 30, 2016
Notes to Financial Statements |
12. STOCKHOLDERS' EQUITY | During the years ended September 30, 2016 and 2015, no warrants were exercised. During the year ended September 30, 2014, 107,822 Series M, N and S warrants were exercised. The Company issued 106,740 shares of common stock and received approximately $3.1 million from the exercise of these warrants since 3,709 Series N warrants were exercised in a cashless exercise. On October 11, 2013, the Company closed a public offering of units of common stock and Series S warrants at a price of $25.00 per unit for net proceeds of $16.4 million, net of underwriting discounts and commissions. Each unit consisted of one share of common stock and a warrant to purchase one share of common stock. The warrants were immediately exercisable and expire on October 11, 2018, and have an exercise price of $31.25. In November 2013, the underwriters purchased an additional 105,957 warrants pursuant to the overallotment option, for which the Company received net proceeds of approximately $24,000. On December 24, 2013, the Company closed a public offering of units of common stock and Series S warrants at a price of $15.75 per unit for net proceeds of approximately $2.8 million, net of underwriting discounts and commissions. Each unit consisted of one share of common stock and a warrant to purchase one share of common stock. The warrants are immediately exercisable and expire on October 11, 2018, and have an exercise price of $31.25. The underwriters exercised the option for the full 10% overallotment, for which the Company received net proceeds of approximately $279,000. The October and December 2013 financings triggered the reset provision from the August 2008 financing which resulted in the issuance of an additional 62,523 shares of common stock. The cost of additional shares issued was approximately $1.1 million. This cost was recorded as a deemed a dividend. On October 24, 2014, the Company closed an underwritten public offering of 315,789 shares of common stock and 78,947 Series S warrants to purchase shares of common stock. Additionally, in a related private offering on October 21, 2014, the Company sold 52,800 shares of common stock and 13,200 Series S warrants to purchase shares of common stock. The common stock and Series S warrants were sold at a combined price of $19.00 for net proceeds of approximately $6.4 million, net of offering expenses. The Series S warrants trade of the NYSE MKT under the symbol CVM WT. On April 17, 2014, the Company closed a public offering of units consisting of 285,129 shares of common stock and Series T warrants to purchase an aggregate of 71,282 shares of common stock. The units were sold at a price of $35.00 per unit. The Company received net proceeds of approximately $9.1 million after deducting the underwriting commissions and offering expenses. The common stock and warrants separated immediately. The Series T warrants, with an exercise price of $39.50 per share, expired on October 17, 2014. The underwriters in the offering received 17,821 Series U warrants to purchase one share of common stock. The Series U warrants expire on October 17, 2017, and have an exercise price of $43.75. On May 28, 2015, the Company closed an underwritten public offering of 810,127 shares of common stock and 810,127 Series V warrants to purchase shares of common stock. The common stock and Series V warrants were sold at a combined per unit price of $19.75 for net proceeds of approximately $14.7 million, net of underwriting discounts and commissions and offering expenses. The Series V warrants are immediately exercisable at a price of $19.75 and expire on May 28, 2020. On October 28, 2015, the Company closed an underwritten public offering of 688,930 shares of common stock and 688,930 Series W warrants to purchase shares of common stock. The common stock and warrants were sold at a combined price of $16.75 for net proceeds of approximately $10.5 million, net of underwriting commissions and offering expenses. The warrants were immediately exercisable, expire October 28, 2020 and have an exercise price of $16.75. On May 23, 2016, the Company closed a registered direct offering of 400,000 shares of common stock and 264,000 Series Z warrants to purchase shares of common stock. The common stock and warrants were sold at a combined per unit price of $12.50 for net proceeds of approximately $4.6 million, net of placement agent’s commissions and offering expenses. The Series Z warrants may be exercised at any time on or after November 23, 2016 and on or before November 23, 2021 at a price of $13.75 per share. The Company also issued 20,000 Series ZZ warrants to the placement agent as part of its compensation. The Series ZZ warrants may be exercised at any time on or after November 23, 2016 and on or before May 18, 2021 at a price of $13.75 per share. On August 26, 2016, the Company closed a registered direct offering of 400,000 shares of common stock and Series AA warrants to purchase up to 200,000 shares of common stock. Each share of common stock was sold together with a Series AA warrant to purchase one-half of a share of common stock for the combined purchase price of $12.50. Each warrant can be exercised at any time after February 22, 2017 and on or before February 22, 2022 at a price of $13.75 per share. The Company also issued 16,000 Series BB warrants to the placement agent as part of its compensation. The Series BB warrants may be exercised at any time on or after February 22, 2017 and on or before August 22, 2021 at a price of $13.75 per share. The Company received proceeds from the sale of Series AA and Series BB shares and warrants of approximately $4.5 million, net of placement agent’s commissions and offering expenses

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