Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 29,355	$ 34,052
Receivables, less allowance for doubtful accounts of $542 at September 30, 2015 and $502 at December 31, 2014	19,255	16,470
Inventories	13,535	12,893
Prepaid expenses	1,346	664
Refundable income taxes	908	3,192
Deferred income taxes	1,170	1,142
Total current assets	65,569	68,413
Property, plant and equipment	88,630	75,823
Less accumulated depreciation and amortization	(44,053)	(40,980)
Net property, plant and equipment	44,577	34,843
Goodwill	7,322	7,322
Intangible assets, net	715	953
Other assets	2,054	2,159
Total assets	120,237	113,690
Current liabilities:
Accounts payable	4,732	5,398
Accrued expenses	6,442	5,222
Current installments of long-term debt	1,009	993
Total current liabilities	12,183	11,613
Long-term debt, excluding current installments	1,112	1,873
Deferred income taxes	3,899	3,588
Retirement and other liabilities	1,488	1,624
Total liabilities	$ 18,682	$ 18,698
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value. Authorized 1,000,000 shares; zero shares issued or outstanding
Common stock, $.01 par value. Authorized 20,000,000 shares; issued and outstanding 7,138,218 at September 30, 2015 and 7,068,815 at December 31, 2014	$ 71	$ 71
Additional paid-in capital	23,365	22,132
Retained earnings	78,706	72,789
Treasury stock at cost (29,559 at September 30, 2015 and 0 shares at December 31, 2014)	(587)
Total stockholders' equity	101,555	94,992
Total liabilities and stockholders' equity	$ 120,237	$ 113,690

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

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).