CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2022	Dec. 31, 2021
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Treasury stock, shares	8,684,000	8,684,000
Class A
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	330,000,000	330,000,000
Common stock, shares issued	18,038,000	18,006,000
Common stock, shares outstanding	9,354,000	9,322,000
Class B Convertible
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	165,000,000	165,000,000
Common stock, shares issued	1,964,000	1,964,000
Common stock, shares outstanding	1,964,000	1,964,000