Shareholders' Equity (Details 4) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Options Outstanding (in shares)	297,199
Weighted Average Remaining Contractual Life (in years)	4 years 7 months 10 days
Outstanding Weighted Average Exercise Price Per Share (in dollars per share)	$ 2.38
Options Exercisable (in shares)	191,254	253,412
Exercisable Weighted Average Exercise Price Per Share (in dollars per share)	$ 2.61
Exercise Price Range One
Ranges of Exercise Prices Lower (in dollars per share)	1.18
Ranges of Exercise Prices Upper (in dollars per share)	$ 2.04
Options Outstanding (in shares)	148,291
Weighted Average Remaining Contractual Life (in years)	6 years 11 months 5 days
Outstanding Weighted Average Exercise Price Per Share (in dollars per share)	$ 1.74
Options Exercisable (in shares)	42,346
Exercisable Weighted Average Exercise Price Per Share (in dollars per share)	$ 1.22
Exercise Price Range Two
Ranges of Exercise Prices Lower (in dollars per share)	2.05
Ranges of Exercise Prices Upper (in dollars per share)	$ 3.09
Options Outstanding (in shares)	106,557
Weighted Average Remaining Contractual Life (in years)	3 years 18 days
Outstanding Weighted Average Exercise Price Per Share (in dollars per share)	$ 2.61
Options Exercisable (in shares)	106,557
Exercisable Weighted Average Exercise Price Per Share (in dollars per share)	$ 2.61
Exercise Price Range Three
Exercise Price (in dollars per share)	$ 4.02
Options Outstanding (in shares)	42,351
Weighted Average Remaining Contractual Life (in years)	4 months 24 days
Outstanding Weighted Average Exercise Price Per Share (in dollars per share)	$ 4.02
Options Exercisable (in shares)	42,351
Exercisable Weighted Average Exercise Price Per Share (in dollars per share)	$ 4.02