Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Summary of Restructuring Activity

The following table summarizes the restructuring activity during the three months ended March 31, 2018 and the status of the reserves at March 31, 2018:

	Lease
	Terminations
Balance at December 31, 2017	$	116
Restructuring expense		0
Payments/charges		(9	)
Balance at March 31, 2018	$	107

Schedule of Restructuring Liability Recorded

The restructuring liability is recorded on the balance sheet at March 31, 2018 and December 31, 2017 are as follows:

	March 31, 2018		December 31, 2017
Accrued liabilities	$	36	$	35
Long-term liabilities		71		81
Total	$	107	$	116

Future Minimum Rental Payments Under Operating Leases

The future minimum rental payments as of March 31, 2018 are as follows:

Year	Amount
2018	$	896
2019		1,102
2020		491
2021		139
Thereafter		350
Future minimum lease payments	$	2,978

Summary of Capital Leases for Office Equipment

The Company has capital leases for office equipment.  The net book values for assets under capital leases were as follows:

	March 31, 2018			December 31, 2017
Cost	$	463		$	453
Accumulated Depreciation		(219	)		(195	)
Net Book Value	$	244		$	258

Present Value of Net Minimum Lease Payments, Capital Leases

The following table presents future minimum lease payments under capital leases together with the present value of the net minimum lease payments due in each year:

Year	Amount
2018		80
2019		90
2020		50
2021		37
Thereafter		12
Total minimum payments required		269
Less: amount representing interest		16
Present value of net minimum lease payments	$	253

Changes in Warranty Reserves

	Three Months Ended March 31,
	2018			2017
Beginning balance	$	382		$	394
Provisions for warranties		15			52
Consumption of reserves		(19	)		(26	)
Ending balance	$	378		$	420