Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 41,652	$ 39,572
Restricted cash		14,369
Accounts receivable, net of allowances of $8,394 and $8,396, respectively	59,443	57,848
Inventories	66,271	63,346
Prepaid expenses and other current assets	19,478	19,238
Total current assets	186,844	194,373
Property, plant and equipment, net	47,962	48,916
Patents and other intangible assets, net	8,530	7,461
Goodwill	53,565	53,565
Deferred income taxes	41,431	47,325
Other long-term assets	16,413	20,463
Total assets	354,745	372,103
Current liabilities
Accounts payable	16,555	14,353
Other current liabilities	46,316	69,088
Total current liabilities	62,871	83,441
Other long-term liabilities	24,740	25,185
Total liabilities	87,611	108,626
Contingencies (Note 6)
Shareholders’ equity
Common shares $0.10 par value; 50,000,000 shares authorized; 18,042,834 and 17,828,155 issued and outstanding as of March 31, 2017 and December 31, 2016, respectively	1,804	1,783
Additional paid-in capital	208,686	204,095
Retained earnings	61,525	64,179
Accumulated other comprehensive loss	(4,881)	(6,580)
Total shareholders’ equity	267,134	263,477
Total liabilities and shareholders’ equity	$ 354,745	$ 372,103

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.