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COMMON STOCK - Note 9 | 12 Months Ended
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Dec. 31, 2018
Contract with Customer, Liability, Current, Change |
Common stock - Note 9 | 9. COMMON STOCK In December 2018, we raised $4.2 million before issuance costs of approximately $524,000 through an underwritten public offering of 7.0 million shares of our common stock. In June 2018, we raised $18.0 million before issuance costs of approximately $1.4 million through an underwritten public offering of 14.4 million shares of our common stock. In August 2017, we raised $11.5 million before issuance costs of approximately $1.1 million through an underwritten public offering of 5.5 million shares of our common stock. In August 2017, we raised $3.2 million before issuance costs of approximately $26,000 through a private placement of 1.5 million shares of our common stock. During the second quarter of 2017, we received $906,000 from the exercise of warrants to purchase 460,000 shares of common stock, which warrants were issued in connection with earlier financing transactions. During the second quarter of 2017, we received gross proceeds of $3.7 million before issuance costs of approximately $125,000 from the sale of 1.7 million shares of our common stock under an ATM agreement that was terminated in June 2017 at our election without penalty. During the second quarter of 2017, we received proceeds of $2.2 million from the sale of 1.2 million shares of our common stock as part of a common stock purchase agreement entered into in September 2016 that was terminated in August 2017 at our election without penalty.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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