Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Schedule of diluted shares using the treasury stock method

	Three months ended March 31
	2020		2019
Weighted average shares used in computation of basic earnings (loss) per shares		9,766		9,506
Total dilutive effect of stock options		-		570
Weighted average shares used in computation of diluted earnings (loss) per share		9,766		10,076

Schedulr of diluted potential common shares due to their antidilutive effect

	Three months ended March 31
	2020		2019
Stock options		2,882		1,752