Internally Developed Capitalized Software (Tables)

6 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Line Items]

Summary of Internally Developed Capitalized Software

Activity in our internally developed capitalized software during the six months ended June 30, 2017 and 2016 was as follows (in thousands):

	Gross Carrying Amount			Accumulated Depreciation			Net Carrying Amount
Balance at December 31, 2016	$	15,015		$	(7,931	)	$	7,084
Additions	1,606			—			1,606
Disposals	—			—			—
Depreciation expense	—			(1,869		)	(1,869		)
Balance at June 30, 2017	$	16,621		$	(9,800	)	$	6,821
Balance at December 31, 2015	$	14,582		$	(6,880	)	$	7,702
Additions	137			—			137
Disposals	(393		)	227			(166		)
Depreciation expense	—			(1,836		)	(1,836		)
Balance at June 30, 2016	$	14,326		$	(8,489	)	$	5,837

Amortization Expense for Future Periods

We estimate that we will have the following amortization expense for the future periods indicated below (in thousands):

For the remaining six months ending December 31, 2017	$	58
For the year ending December 31, 2018	59
Total	$	117

Depreciation Expense Related to Capitalized Software

Property, Plant and Equipment [Line Items]

Amortization Expense for Future Periods

Depreciation expense related to capitalized software no longer in the application development stage, for the future periods is indicated below (in thousands):

For the remaining six months ending December 31, 2017	$	1,836
For the years ending December 31:
2018	2,935
2019	1,941
2020	109
Total	$	6,821