Note 4. Equity (Details 2) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares
Total number of shares repurchased	97,870
Average price paid per share | $ / shares	$ 9.93
Total number of shares purchased as part of publicly announced program	97,870
Maximum dollar value of shares that may yet be purchased under the program | $	$ 1,028
August 7-31, 2019
Total number of shares repurchased	22,150
Average price paid per share | $ / shares	$ 9.34
Total number of shares purchased as part of publicly announced program	22,150
Maximum dollar value of shares that may yet be purchased under the program | $	$ 793
September 1-30, 2019
Total number of shares repurchased	2,830
Average price paid per share | $ / shares	$ 10
Total number of shares purchased as part of publicly announced program	2,830
Maximum dollar value of shares that may yet be purchased under the program | $	$ 765
October 1-31, 2019
Total number of shares repurchased	39,363
Average price paid per share | $ / shares	$ 10.44
Total number of shares purchased as part of publicly announced program	39,363
Maximum dollar value of shares that may yet be purchased under the program | $	$ 354
November 1-30, 2019
Total number of shares repurchased	11,827
Average price paid per share | $ / shares	$ 10.43
Total number of shares purchased as part of publicly announced program	11,827
Maximum dollar value of shares that may yet be purchased under the program | $	$ 231
December 1-31, 2019
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ 0
Total number of shares purchased as part of publicly announced program	0
Maximum dollar value of shares that may yet be purchased under the program | $	$ 231
January 1-31, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ 0
Total number of shares purchased as part of publicly announced program	0
Maximum dollar value of shares that may yet be purchased under the program | $	$ 231
February 1-29, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ 0
Total number of shares purchased as part of publicly announced program	0
Maximum dollar value of shares that may yet be purchased under the program | $	$ 231
March 1-31, 2020
Total number of shares repurchased	21,700
Average price paid per share | $ / shares	$ 9.33
Total number of shares purchased as part of publicly announced program	21,700
Maximum dollar value of shares that may yet be purchased under the program | $	$ 1,028