General form of registration statement for all companies including face-amount certificate companies

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.19.3.a.u2
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounts receivable, net of allowance $ 39 $ 12 $ 19
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001
Preferred stock, authorized 10,000 10,000,000 10,000,000
Common stock, par value (in dollars per shares) $ 0.001 $ 0.001 $ 0.001
Common stock, authorized 300,000 300,000,000 300,000,000
Common stock, issued 49,783 45,771,422 43,984,975
Common stock, outstanding 49,783 45,771,422 43,984,975
Series A Preferred Stock [Member]      
Preferred stock, authorized 1,684 1,684,375 1,684,375
Preferred stock, issued
Preferred stock, outstanding
Series B Preferred Stock [Member]      
Preferred stock, authorized 1,581 1,580,790 1,580,790
Preferred stock, issued 927 926,942 926,942
Preferred stock, outstanding 927 926,942 926,942
Liquidation preference   $ 18,075  
Nonvoting Common Stock [Member]      
Common stock, par value (in dollars per shares) $ 0.001 $ 0.001 $ 0.001
Common stock, authorized 3,553 3,553,000 3,553,000
Common stock, issued 1 896 896
Common stock, outstanding 1 896 896