CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows related to operating activities:
Net income	$ 1,753	$ 4,597
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	823	718
Deferred income tax	27	1,741
Stock based compensation	479	361
Increase in inventory reserve	84	175
(Decrease) increase in allowance for doubtful accounts	(11)	22
Loss on disposal of property and equipment		5
Change in assets and liabilities:
Accounts receivable	(590)	(838)
Inventories	(890)	(622)
Prepaid income taxes	7	(190)
Other current assets	(61)	124
Other non-current assets	(8)	12
Accounts payable	545	173
Accrued employee compensation and benefit costs	93	79
Post retirement obligation	40	(5,126)
Other accrued liabilities	50	(70)
Accrued income taxes		(31)
Employee stock ownership trust payment	100	101
Net cash provided by operating activities	2,441	1,231
Cash flows related to investing activities:
Capital expenditures - property, plant and equipment	(991)	(1,132)
Proceeds from sale of assets		33
Net cash used in investing activities	(991)	(1,099)
Cash flows related to financing activities:
Principal payments on long-term debt	(548)	(548)
Proceeds from exercise of stock options		7
Purchase of treasury shares	(275)	(114)
Cash dividend	(380)	(375)
Net cash used in financing activities	(1,203)	(1,030)
Net increase (decrease) in cash and cash equivalents	247	(898)
Cash and cash equivalents at beginning of year	3,268	4,166
Cash and cash equivalents at end of year	$ 3,515	$ 3,268