CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
CONDENSED BALANCE SHEETS
Control investments cost	$ 8,861	$ 8,111
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	100,000,000	100,000,000
Common Stock, shares issued	13,518,000	13,518,000
Common Stock, shares outstanding	13,518,146	13,518,000