Stock options and awards (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of information relating to stock option transactions

	2019					2018
				Weighted					Weighted
				Average					Average
				Exercise					Exercise
	Shares			Price		Shares			Price
Options outstanding beginning of the year		50,000		$	1.24		60,000		$	1.15
Options exercised		(30,000	)		0.69		(10,000	)		0.69
Total		20,000		$	2.07		50,000		$	1.24