XML 37 R17.htm IDEA: XBRL DOCUMENT
v3.20.4

Shareholders' Equity | 12 Months Ended
--- | ---
Dec. 31, 2020
Shareholders' Equity |
Shareholders' Equity | Note 11—Shareholders’ Equity Common Stock As of December 31, 2020, we had reserved shares of common stock under our equity plans as follows: ​
​ | ​ | ​
Options granted and outstanding |  | 11,938,528
Options available for future grant |  | 4,089,584
Common stock warrants |  | 243,115
Total shares reserved |  | 16,271,227
​ Securities Offerings – In August 2020, we sold 6.9 million shares of our common stock at a public offering price of $14.50 per share. After deducting underwriter discounts and offering expenses, we received net proceeds from the transaction of $93.7 million. In December 2019, we sold 4.4 million shares of our common stock at a public offering price of $13.10 per share. After deducting underwriter discounts and offering expense, we received net proceeds from the transaction of $54.2 million. At the Market Sales Agreement – On March 1, 2021, we entered into a sales agreement to sell shares of our common stock having an aggregate offering price of up to $150.0 million, from time to time, through an “at the market” equity offering program. Warrants In connection with various previously outstanding debt agreements we have issued warrants to purchase shares of our common stock as follows: ​
​ | ​ | ​ | ​ | ​ | ​
Outstanding At |  | ​ |  | ​ | ​
December 31, 2020 | ​ | Expiration Date | ​ | Exercise Price
43,115 | ​ | May 18, 2023 | ​ | $ | 9.94
200,000 | ​ | April 12, 2023 | ​ | $ | 23.00
​

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=120397183&loc=d3e187085-122770 Reference 3: 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
Name: | us-gaap_StockholdersEquityNoteDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration