Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Allowance for doubtful accounts, net	$ 936	$ 1,161
Accumulated depreciation on property and equipment	22,351	20,827
Accumulated amortization on capitalized software development	$ 49,223	$ 46,757
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	32,388,000	32,325,000
Common stock, shares outstanding	32,388,000	32,325,000
Customer-Related Intangible Assets [Member]
Accumulated amortization on intangible assets	$ 24,952	$ 23,245
Other Intangible Assets [Member]
Accumulated amortization on intangible assets	$ 10,505	$ 9,663