Stockholders' Equity - Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number (in Shares)	648,722
Options Exercisable, Weighted Average Exercise Price	$ 2.64
Exercise Price Range 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	0.75
Exercise Price Range, Upper Range Limit	$ 1.80
Options Outstanding, Number (in Shares)	100,842
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 3 months
Options Outstanding, Exercise Price	$ 1.37
Options Exercisable, Number Exercisable (in Shares)	85,734
Options Exercisable, Weighted Average Exercise Price	$ 1.30
Exercise Price Range 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	1.82
Exercise Price Range, Upper Range Limit	$ 1.82
Options Outstanding, Number (in Shares)	93,334
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 5 months 5 days
Options Outstanding, Exercise Price	$ 1.82
Options Exercisable, Number Exercisable (in Shares)	77,778
Options Exercisable, Weighted Average Exercise Price	$ 1.83
Exercise Price Range 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	2.06
Exercise Price Range, Upper Range Limit	$ 2.40
Options Outstanding, Number (in Shares)	70,001
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 9 months 11 days
Options Outstanding, Exercise Price	$ 2.28
Options Exercisable, Number Exercisable (in Shares)	68,889
Options Exercisable, Weighted Average Exercise Price	$ 2.29
Exercise Price Range 4 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	2.48
Exercise Price Range, Upper Range Limit	$ 2.48
Options Outstanding, Number (in Shares)	7,332
Options Outstanding, Weighted Average Remaining Contractual Life	15 days
Options Outstanding, Exercise Price	$ 2.48
Options Exercisable, Number Exercisable (in Shares)	7,332
Options Exercisable, Weighted Average Exercise Price	$ 2.48
Exercise Price Range 5 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	2.54
Exercise Price Range, Upper Range Limit	$ 2.54
Options Outstanding, Number (in Shares)	113,335
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 11 months 5 days
Options Outstanding, Exercise Price	$ 2.54
Options Exercisable, Number Exercisable (in Shares)	75,554
Options Exercisable, Weighted Average Exercise Price	$ 2.54
Exercise Price Range 6 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	2.55
Exercise Price Range, Upper Range Limit	$ 3.00
Options Outstanding, Number (in Shares)	74,001
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 18 days
Options Outstanding, Exercise Price	$ 2.71
Options Exercisable, Number Exercisable (in Shares)	74,001
Options Exercisable, Weighted Average Exercise Price	$ 2.71
Exercise Price Range 7 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	3.03
Exercise Price Range, Upper Range Limit	$ 3.30
Options Outstanding, Number (in Shares)	40,601
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 11 months 19 days
Options Outstanding, Exercise Price	$ 3.07
Options Exercisable, Number Exercisable (in Shares)	40,601
Options Exercisable, Weighted Average Exercise Price	$ 3.07
Exercise Price Range 8 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	3.45
Exercise Price Range, Upper Range Limit	$ 3.45
Options Outstanding, Number (in Shares)	103,083
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 7 days
Options Outstanding, Exercise Price	$ 3.45
Options Exercisable, Number Exercisable (in Shares)	103,083
Options Exercisable, Weighted Average Exercise Price	$ 3.45
Exercise Price Range 9 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	4.20
Exercise Price Range, Upper Range Limit	$ 44.20
Options Outstanding, Number (in Shares)	80,000
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 8 months 9 days
Options Outstanding, Exercise Price	$ 4.20
Options Exercisable, Number Exercisable (in Shares)	80,000
Options Exercisable, Weighted Average Exercise Price	$ 4.20
Exercise Price Range 10 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	5.70
Exercise Price Range, Upper Range Limit	$ 6.88
Options Outstanding, Number (in Shares)	2,193
Options Outstanding, Weighted Average Remaining Contractual Life	4 years 11 months 19 days
Options Outstanding, Exercise Price	$ 6.38
Options Exercisable, Number Exercisable (in Shares)	2,200
Options Exercisable, Weighted Average Exercise Price	$ 6.38
Exercise Price Range 11 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit		$ 0.75
Exercise Price Range, Upper Range Limit		$ 6.68
Options Outstanding, Number (in Shares)	684,722
Options Outstanding, Weighted Average Remaining Contractual Life		6 years
Options Outstanding, Exercise Price	$ 2.64
Options Exercisable, Number Exercisable (in Shares)	615,172
Options Exercisable, Weighted Average Exercise Price	$ 2.68