Stockholders' Equity - Schedule of Share-based Compensation, Shares Authorized Under Stock Option Plans, by Exercise Price Range (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number of shares	106,077	117,675	315,167
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	0 years
Options Exercisable, Number of shares	106,077
Options Exercisable, Weighted Average Exercise Price	$ 2.77
Exercise Price Range 1 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	0.75
Exercise Price Range, Upper Range Limit	$ 1.00
Options Outstanding, Number of shares	27,527
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 0.82
Options Exercisable, Number of shares	27,527
Options Exercisable, Weighted Average Exercise Price	$ 0.82
Exercise Price Range 2 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	1.79
Exercise Price Range, Upper Range Limit	$ 4.00
Options Outstanding, Number of shares	63,684
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	1 year 10 months 14 days
Options Outstanding, Weighted Average Exercise Price	$ 3.21
Options Exercisable, Number of shares	63,684
Options Exercisable, Weighted Average Exercise Price	$ 3.21
Exercise Price Range 3 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	4.20
Exercise Price Range, Upper Range Limit	$ 6.68
Options Outstanding, Number of shares	14,866
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	1 year 10 months 25 days
Options Outstanding, Weighted Average Exercise Price	$ 4.46
Options Exercisable, Number of shares	14,866
Options Exercisable, Weighted Average Exercise Price	$ 4.46