Note 4. Equity (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock options outstanding and exercisable

			Options Outstanding						Options Exercisable
Exercise Price Range			Number		Weighted Average Remaining Contractual Life (in Years)		Weighted Average Exercise Price		Number
	$	0.01 - 7.00		10,000		5.64	$	6.80		10,000
	$	7.01 - 8.00		20,313		3.49	$	7.76		20,313
	$	8.01 - 12.00		8,167		6.95	$	9.99		4,167
	$	12.01 - 15.00		57,000		8.12	$	13.09		44,500
	$	15.01 - 17.40		32,000		8.17	$	17.40		32,000
		Total		127,480		7.12	$	12.63		110,980

Shares repurchased

		Shares Repurchased
Period		Total number of shares repurchased		Average price paid per share		Total number of shares purchased as part of publicly announced program		Maximum dollar value of shares that may yet be purchased under the same program
	August 7 -31, 2019		22,150	$	9.34		22,150	$	793
	September 1-30, 2019		2,830	$	10.00		2,830	$	765
	October 1-31, 2019		39,363	$	10.44		39,363	$	354
	November 1-30, 2019		11,827	$	10.43		11,827	$	231
	December 1-31, 2019		—		—		—	$	231
	January 1-31, 2020		—		—		—	$	231
	February 1-29, 2020		—		—		—	$	231
	March 1-31, 2020		21,700	$	9.33		21,700	$	1,028
	Total		97,870	$	9.93		97,870	$	1,028