STOCKHOLDERS' EQUITY

9 Months Ended

Sep. 30, 2020

NOTE 5. STOCKHOLDERS' EQUITY

As of September 30, 2020, we are authorized to issue 40.0 million shares of common stock with a par value of $0.0001 per share.

The following table presents the changes in the number of shares outstanding:

	2020		2019
Shares issued:
Balance as of January 1		4,508		3,211
Issue of shares on exercises of warrants		2,312		746
Issue of shares on vesting of restricted stock units		—		278
Issue of shares as consideration for services		—		243
Issue of shares in private placement		—		30
Balance as of September 30		6,820		4,508

Shares held as treasury stock:
Balance as of January 1		208		111
Purchase of treasury stock		—		97
Balance as of September 30		208		208

Shares outstanding as of September 30		6,612		4,300

In January 2020, we issued 0.4 million of our Series F warrants upon receipt of NASDAQ approval of the issuance.

In the nine months ended September 30, 2020, 39.8 million Series C warrants, Series D warrants, Series E warrants and Series F warrants were exercised. As of September 30, 2020, we have 34.0 million warrants outstanding, which are potentially exercisable into 2.2 million shares of our common stock.

In accordance with the RSA and the Plan, our existing common stock and warrants to purchase our common stock will be extinguished upon emergence from bankruptcy, and our existing equity holders will not receive any type of consideration in respect of their equity interests.