Note 4. Equity (Details 2) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($) $ / shares shares
Total number of shares repurchased	160,068
Average price paid per share | $ / shares	$ 9.70
Total number of shares purchased as part of publicly announced program	160,068
Maximum dollar value of shares that may yet be purchased under the program | $	$ 448
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	$ 10.00
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	$ .00
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	$ .00
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	$ .00
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
April 1-30, 2020
Total number of shares repurchased	22,698
Average price paid per share | $ / shares	$ 9.02
Total number of shares purchased as part of publicly announced program	22,698
Maximum dollar value of shares that may yet be purchased under the program | $	$ 823
May 1-31, 2020
Total number of shares repurchased	39,500
Average price paid per share | $ / shares	$ 9.51
Total number of shares purchased as part of publicly announced program	39,500
Maximum dollar value of shares that may yet be purchased under the program | $	$ 448
June 1-30, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ .00
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 | $	$ 448
July 1-31, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ .00
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 | $	$ 448
August 1-31, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ .00
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 | $	$ 448
September 1-30, 2020
Total number of shares repurchased	0
Average price paid per share | $ / shares	$ .00
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 | $	$ 448