Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Allowance for doubtful accounts	$ 394	$ 284
Accrued liabilities	1,266	1,473
Net operating loss carry-forwards	31,325	34,473
Fixed assets	16	83
Intangible assets	0	744
Share-based compensation expense	2,422	1,566
Other	613	286
Total gross deferred tax assets	36,036	38,909
Valuation allowance	(5,427)	(6,015)
Deferred tax assets, net of valuation allowance	30,609	32,894
Deferred tax liabilities:
Tax deductible goodwill	(9,147)	0
Total gross deferred tax liabilities	(9,147)	0
Net deferred tax assets	$ 21,462	$ 32,894