Shareholders' Equity (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Aggregate intrinsic value of options outstanding	$ 12,779
Weighted average remaining life of options exercisable	3 years 1 month 24 days
Aggregate intrinsic value of options exercisable	$ 12,779
Restricted stock (in shares)	343,667	203,424
Restricted stock on the grant date (in dollars per share)	$ 1.86	$ 1.12
Unrecognized compensation costs related to stock options	$ 107,000
Unrecognized compensation costs related to restricted stock units	549,000
Stock-based compensation expense	$ 410,000	$ 387,000
Repurchase of common stock, shares	164,000
Repurchase of common stock, amount	$ 298,000
Employee Stock [Member]
Employees purchased shares	107,341	48,320
Shares are reserved for future employee purchases	278,380
Stock-based compensation expense	$ 58,000	$ 29,000
2018 Plan [Member]
Total number of stock awards granted to the Board of Directors (in shares)	46,152
Shares issue price (in dollars per share)	$ 1.95
Total value of shares issued	$ 90,000
2013 Plan [Member]
Total number of stock awards granted to the Board of Directors (in shares)	72,115
Shares issue price (in dollars per share)	$ 1.04
Total value of shares issued	$ 75,000
2013 Plan [Member] | Restricted Stock [Member]
Restricted stock (in shares)	0	60,000
Restricted stock on the grant date (in dollars per share)		$ 1.09
Vesting period		2 years
2013 Plan [Member] | Restricted Stock and Restricted Stock Units [Member]
Restricted stock (in shares)		143,424
Restricted stock on the grant date (in dollars per share)		$ 1.13
Vesting period		2 years
2013 and 2018 Plan [Member] | Restricted Stock and Restricted Stock Units [Member]
Restricted stock (in shares)	297,515
Restricted stock on the grant date (in dollars per share)	$ 1.84
Vesting period	2 years