XML 26 R3.htm IDEA: XBRL DOCUMENT v3.20.1
CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Parenthetical [Abstract]    
Allowance for doubtful accounts (in dollars) $ 100 $ 100
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 5,817,000 5,714,000
Common stock, shares outstanding 5,817,000 5,714,000