Shareholders Equity - Stock Option Activity (Details) - Stock option - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Number of Options Outstanding
Balance at beginning of period (in shares)	218,750	245,000
Exercised (in shares)	(111,250)	(16,250)
Expired/Forfeited (in shares)	(10,000)	(10,000)
Balance at period-end (in shares)	97,500	218,750
Exercisable at period-end (in shares)	97,500	218,750
Weighted average exercise price
Balance at beginning of period (in dollars per share)	$ 5.28	$ 5.27
Exercised (in dollars per share)	5.47	5.25
Expired/Forfeited (in dollars per share)	5.51	5.50
Balance at period-end (in dollars per share)	5.03	5.28
Exercisable at period-end (in dollars per share)	$ 5.03	$ 5.28
Additional disclosures
Weighted average expected remaining term	1 year 6 months 21 days