Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Payables And Accruals [Abstract]

Accounts Payable and Accrued Liabilities

	December 31,
	2013		2014
	(In thousands)
Accounts payable	$	1,452	$	3,850
Accrued liabilities:
Employee benefits		6,788		7,388
Customer tooling		388		407
Taxes other than on income		378		266
Professional		86		231
Insurance		243		217
Other		376		437
Total	$	9,711	$	12,796