Subsequent Events	3 Months Ended
Mar. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events Between April 17 and April 21, 2020 and as disclosed in the Company’s 8-K filing on April 23, 2020, the Company entered in revised warrant agreements with the holders of 3,372,000 series U warrants. In return for reducing the strike price of the warrants to $2.25 per share, the warrant holders agreed to amend the settlement provisions upon fundamental transactions such that the warrants would meet the requirements to be classified within stockholders’ equity. The Company expects that in April 2020, approximately $4.2 million of warrant liability will be reclassed to the stockholders’ equity section of the balance sheet. In addition, approximately $0.7 million of other income representing change in the fair value of amended warrants from April 1, 2020 to the amendment date will be recorded in the statement of operations and other comprehensive income (loss) for the three months ending June 30, 2020. In connection with the amendment of the Company’s Series U warrants, and in accordance with the terms of the Series T warrants, the exercise price of the Company’s Series T warrants was adjusted such that every 50 Series T warrants can be exercised into one share of common stock for $2.25. On April 1, 2020, the Company made a principal repayment of $5.0 million and associated final payment fee of $308,000, in accordance with the Ninth Amendment. On May 7, 2020, in accordance with the terms of the NanoTx License Agreement, the Company paid an upfront payment of $400,000 in cash and issued 230,769 shares of its common stock to NanoTx.

Subsequent Events

3 Months Ended

Mar. 31, 2020

14. Subsequent Events

Between April 17 and April 21, 2020 and as disclosed in the Company’s 8-K filing on April 23, 2020, the Company entered in revised warrant agreements with the holders of 3,372,000 series U warrants. In return for reducing the strike price of the warrants to $2.25 per share, the warrant holders agreed to amend the settlement provisions upon fundamental transactions such that the warrants would meet the requirements to be classified within stockholders’ equity. The Company expects that in April 2020, approximately $4.2 million of warrant liability will be reclassed to the stockholders’ equity section of the balance sheet. In addition, approximately $0.7 million of other income representing change in the fair value of amended warrants from April 1, 2020 to the amendment date will be recorded in the statement of operations and other comprehensive income (loss) for the three months ending June 30, 2020.

In connection with the amendment of the Company’s Series U warrants, and in accordance with the terms of the Series T warrants, the exercise price of the Company’s Series T warrants was adjusted such that every 50 Series T warrants can be exercised into one share of common stock for $2.25.

On April 1, 2020, the Company made a principal repayment of $5.0 million and associated final payment fee of $308,000, in accordance with the Ninth Amendment.

On May 7, 2020, in accordance with the terms of the NanoTx License Agreement, the Company paid an upfront payment of $400,000 in cash and issued 230,769 shares of its common stock to NanoTx.