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Stockholders' Equity | 3 Months Ended
--- | ---
Mar. 31, 2022
Equity [Abstract] |
Stockholders' Equity |
9. | Stockholders’ Equity
Equity Financings Common Stock Offering In February 2021, the Company sold 10,465,000 shares of its common stock in an underwritten public offering at a price of $11.00 per share, including the exercise in full by the underwriters of their option to purchase up to 1,365,000 additional shares of the Company’s common stock. The gross proceeds of the offering to the Company were approximately $115.1 million. Underwriter discounts and commissions and other share issue costs totaled approximately $7.2 million. ATM Facility In August 2020, the Company entered into an at-the-market facility (the “ATM Facility”) with Cantor Fitzgerald & Co (“Cantor”). Pursuant to the ATM Facility, the Company may, at its option, offer and sell shares of its common stock from time to time, through or to Cantor, acting as sales agent. The Company will pay Cantor a commission of 3.0% of the gross proceeds from any future sales of such shares. During the three months ended March 31, 2021, the Company sold 48,538 shares of its common stock at a weighted average price of $11.37 per share for gross proceeds of approximately $552,000. Share issue costs, including sales agent commissions, totaled approximately $53,000 during the reporting period. During the three months ended March 31, 2022, the Company did not sell any shares of its common stock under the ATM Facility. Warrants to Purchase Common Shares The following table provides a reconciliation of fixed price warrants to purchase shares of the Company’s common stock for the three months ended March 31, 2022 and 2021:
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
|  |  |  |  |  | Weighted |  |  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |  |  |  |  |  |  | Average |
|  | Number of |  |  | Exercise |  |  | Number of |  |  | Exercise |
|  | Warrants |  |  | Price |  |  | Warrants |  |  | Price |
Balance at beginning of period |  |  | 48,683 |  |  | $ | 12.33 |  |  |  | 48,683 |  |  | $ | 12.33 |
Balance and exercisable at end of period |  |  | 48,683 |  |  | $ | 12.33 |  |  |  | 48,683 |  |  | $ | 12.33 |
Pursuant to a credit agreement, the Company issued a warrant to SWK Funding LLC to purchase (i) 40,910 shares of the Company’s common stock on March 28, 2018 at an exercise price of $11.00 per share with a seven-year term and (ii) 7,773 shares of the Company’s common stock on June 26, 2018 at an exercise price of $19.30 per share with a seven-year term. At March 31, 2022, the weighted average remaining life of the warrant was approximately 3.0 years.

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: 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 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: 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 + Details
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