Stockholders' Equity	6 Months Ended
Jun. 30, 2020
Equity [Abstract]
Stockholders' Equity	10. Stockholders’ Equity Equity Offering – On June 29, 2020, the company closed an underwritten public offering of an aggregate of 8,521,500 shares of common stock, which included 4,811,500 shares issued to the public at a price of $9.50 per share (which includes 1,111,500 shares sold to the public upon full exercise of the underwriters’ option to purchase additional shares at a public offering price of $9.50 per share), less underwriting discounts and commissions, and 3,710,000 shares issued to our Chairman, CEO and principal stockholder, Dr. Patrick Soon-Shiong, at a price of $12.12 per share, less underwriting discounts and commissions. All of the shares were offered by the company. Including the underwriters’ option exercise, the aggregate gross proceeds from the offering were approximately $90.7 million, before deducting underwriting discounts, commissions and other offering expenses payable by the company of approximately $4.4 million. Estimated issuance cost totaling approximately $0.5 million were unpaid as of June 30, 2020 and have been included in accounts payable and accrued expenses on the company’s condensed consolidated balance sheets as of such date. Stock Repurchase – In November 2015, the board of directors approved a share repurchase program, or the 2015 Share Repurchase Program, allowing the CEO or CFO, on behalf of the company, to repurchase from time to time, in the open market or in privately negotiated transactions, up to $50.0 million of our outstanding shares of common stock, exclusive of any commissions, markups or expenses. The timing and amounts of any purchases were and will continue to be based on market conditions and other factors, including price, regulatory requirements and other corporate considerations. The 2015 Share Repurchase Program does not require the purchase of any minimum number of shares and may be suspended, modified, or discontinued at any time without prior notice. We have financed, and expect to continue to finance, the purchases with existing cash balances. At June 30, 2020, $18.3 million remained authorized for repurchase under the 2015 Share Repurchase Program. No shares were repurchased during the three and six months ended June 30, 2020. During the three and six months ended June 30, 2019, we repurchased 473,586 shares of our common stock at prices ranging between $0.95 per share and $1.09 per share for a total cost of $0.5 million. In addition, we paid $14,200 of broker commissions on these repurchases. The shares are formally retired through board approval upon repurchase. In July 2015, the company's board of directors adopted and the company’s stockholders approved the 2015 Equity Incentive Plan, or the 2015 Plan. The 2015 Plan is the only equity plan of the company available for grant of equity awards to employees, directors and consultants of the company. In April 2019, the company’s board of directors adopted, and in June 2019 the company’s stockholders approved, a first amendment to the 2015 Plan to reserve a further 3,000,000 shares of common stock for issuance pursuant to the 2015 Plan. In March 2020, the company’s board of directors adopted, and in June 2020 the company’s stockholders approved, a second amendment to the 2015 Plan to reserve a further 3,000,000 shares of common stock for issuance pursuant to the 2015 Plan. Following approval of these amendments, a total of 10,249,857 shares of common stock were reserved for issuance pursuant to the 2015 Plan.

Stockholders' Equity

6 Months Ended

Jun. 30, 2020

10. Stockholders’ Equity

Equity Offering – On June 29, 2020, the company closed an underwritten public offering of an aggregate of 8,521,500 shares of common stock, which included 4,811,500 shares issued to the public at a price of $9.50 per share (which includes 1,111,500 shares sold to the public upon full exercise of the underwriters’ option to purchase additional shares at a public offering price of $9.50 per share), less underwriting discounts and commissions, and 3,710,000 shares issued to our Chairman, CEO and principal stockholder, Dr. Patrick Soon-Shiong, at a price of $12.12 per share, less underwriting discounts and commissions. All of the shares were offered by the company. Including the underwriters’ option exercise, the aggregate gross proceeds from the offering were approximately $90.7 million, before deducting underwriting discounts, commissions and other offering expenses payable by the company of approximately $4.4 million. Estimated issuance cost totaling approximately $0.5 million were unpaid as of June 30, 2020 and have been included in accounts payable and accrued expenses on the company’s condensed consolidated balance sheets as of such date.

Stock Repurchase – In November 2015, the board of directors approved a share repurchase program, or the 2015 Share Repurchase Program, allowing the CEO or CFO, on behalf of the company, to repurchase from time to time, in the open market or in privately negotiated transactions, up to $50.0 million of our outstanding shares of common stock, exclusive of any commissions, markups or expenses. The timing and amounts of any purchases were and will continue to be based on market conditions and other factors, including price, regulatory requirements and other corporate considerations. The 2015 Share Repurchase Program does not require the purchase of any minimum number of shares and may be suspended, modified, or discontinued at any time without prior notice. We have financed, and expect to continue to finance, the purchases with existing cash balances. At June 30, 2020, $18.3 million remained authorized for repurchase under the 2015 Share Repurchase Program. No shares were repurchased during the three and six months ended June 30, 2020. During the three and six months ended June 30, 2019, we repurchased 473,586 shares of our common stock at prices ranging between $0.95 per share and $1.09 per share for a total cost of $0.5 million. In addition, we paid $14,200 of broker commissions on these repurchases. The shares are formally retired through board approval upon repurchase.

In July 2015, the company's board of directors adopted and the company’s stockholders approved the 2015 Equity Incentive Plan, or the 2015 Plan. The 2015 Plan is the only equity plan of the company available for grant of equity awards to employees, directors and consultants of the company. In April 2019, the company’s board of directors adopted, and in June 2019 the company’s stockholders approved, a first amendment to the 2015 Plan to reserve a further 3,000,000 shares of common stock for issuance pursuant to the 2015 Plan. In March 2020, the company’s board of directors adopted, and in June 2020 the company’s stockholders approved, a second amendment to the 2015 Plan to reserve a further 3,000,000 shares of common stock for issuance pursuant to the 2015 Plan. Following approval of these amendments, a total of 10,249,857 shares of common stock were reserved for issuance pursuant to the 2015 Plan.