XML 74 R59.htm IDEA: XBRL DOCUMENT v3.19.1
Selected Statement of Operations Data (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income:      
Interest on bank deposits and short-term investments $ 208 $ 75 $ 49
Non-dollar currency gains - net 0 415 13
Income from marketable securities 77 136 143
Realized gain from sale of available-for-sale securities 28 0 0
Interest on available-for-sale securities 27 42 58
Other Nonoperating Income 340 668 263
Expenses:      
Non-dollar currency losses - net (107) 0 0
Realized loss from sale of available-for-sale securities 0 (24) (84)
Bank commissions and charges (11) (14) (13)
Other Nonoperating Expense (118) (38) (97)
Financial income (expense) - net $ 222 $ 630 $ 166