Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.20.2
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Property and equipment, net of accumulated depreciation $ 249 $ 237
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 174,839,536 164,701,167
Common stock, shares outstanding 174,839,536 164,701,167