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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2020
Stockholders Equity Note [Abstract] |
Stockholders' Equity | Note 6: Stockholders’ Equity In April 2020, the Company completed a registered direct offering of securities and sold 1,218,000 shares of common stock at a price of $1.56 per share to institutional investors. Net proceeds of the offering, after placement agent and other fees and expenses paid by the Company, were approximately $1.6 million. As a result of the offering, the exercise price of the 1,845,540 outstanding common stock purchase warrants that were issued in October 2018 was reduced from $6.00 per share to $2.40 per share. The Company accounted for the warrant exercise price adjustment in accordance with ASC Topic 260 and determined that the change in the exercise price resulted in a deemed dividend of $392,000 that increased the net loss attributable to common stockholders for the year ended December 31, 2020. The fair value of the warrants was computed on the date of the modification using the Black-Scholes model. The Company assumed a risk-free interest rate of 1.6%, no dividends, expected volatility of 128%, and an expected warrant life of approximately 3.5 years. Warrants At December 31, 2020, the Company had the following warrants outstanding (share amounts in thousands):
Warrant Type |  | Number of Shares |  |  | Exercise Price |  |  | Expiration
Common stock |  |  | 33 |  |  | $ | 47.00 |  |  | January 2023
Common stock |  |  | 1,846 |  |  | $ | 2.40 |  |  | October 2023

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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 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
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