Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Summary of Revenue from Contracts with Customers

The following tables summarize sales to external customers by major source.

	Six Months Ended June 30, 2018
	Mobile Solutions		Power Solutions		Life Sciences		Intersegment Sales Eliminations			Total
United States	$	97,797	$	82,052	$	78,994	$	(1,231	)	$	257,612
China	23,162		2,444		1,438		—			27,044
Mexico	14,472		6,545		339		—			21,356
Brazil	19,522		50		29		—			19,601
Poland	3,971		18		1		—			3,990
Czech Republic	3,371		—		—		—			3,371
Italy	3,139		109		137		—			3,385
Germany	3,085		7		3,817		—			6,909
Switzerland	2,700		29		1,720		—			4,449
Netherlands	—		1,907		—		—			1,907
Other	6,654		5,341		3,878		—			15,873
Total net sales	$	177,873	$	98,502	$	90,353	$	(1,231	)	$	365,497

	Three Months Ended June 30, 2018
	Mobile Solutions		Power Solutions		Life Sciences		Intersegment Sales Eliminations			Total
United States	$	48,142	$	41,924	$	48,441	$	(703	)	$	137,804
China	11,581		959		1,312		—			13,852
Mexico	7,236		3,348		167		—			10,751
Brazil	9,637		—		29		—			9,666
Poland	1,919		4		1		—			1,924
Czech Republic	1,561		—		—		—			1,561
Italy	1,562		11		137		—			1,710
Germany	1,551		—		3,816		—			5,367
Switzerland	1,294		29		1,720		—			3,043
Netherlands	—		933		—		—			933
Other	3,596		2,612		3,530		—			9,738
Total net sales	$	88,079	$	49,820	$	59,153	$	(703	)	$	196,349

Summary of Contract Liabilities from Contracts with Customers

The following table provides information about contract liabilities from contracts with customers.

	Deferred Revenue
Balance at January 1, 2018	$	2,124
Balance at June 30, 2018	$	3,372

Condensed Consolidated Statement of Operations and Balance Sheet

The following table presents the impact of adoption of ASC 606 on our Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) and our Condensed Consolidated Balance Sheet. Differences are due to the acceleration in the recognition of revenue to the point of shipment or delivery for contracts where an unconditional obligation to purchase is present for inventory that was considered in consignment under ASC 605.

	Three Months Ended June 30, 2018									Six Months Ended June 30, 2018
	As Reported			Balances Without Adoption of ASC 606			Effect of Change			As Reported		Balances Without Adoption of ASC 606		Effect of Change
Net sales	$	196,349		$	196,367		$	(18	)	$	365,497	$	365,569	$	(72	)
Cost of sales	148,640			148,631			9			275,084		275,120		(36		)
Income (loss) from operations	(292		)	(265		)	(27		)	3,401		3,437		(36		)
	As of June 30, 2018
	As Reported			Balances Without Adoption of ASC 606			Effect of Change
Accounts receivable, net	$	147,449		$	146,913		$	536
Inventories	116,136			116,470			(334		)