Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Deferred Tax Liabilities, Net	$ 395,000	$ 992,000
Current assets:
Cash and cash equivalents	26,780,000	28,285,000
Accounts receivable (less allowance for doubtful accounts: $0 at December 31, 2017 and 2016)	19,846,000	19,551,000
Inventories:
Finished goods	2,948,000	1,876,000
Work in process	2,061,000	1,401,000
Raw materials and components	8,450,000	7,635,000
Total inventories, net	13,459,000	10,912,000
Deferred tax asset-current portion	843,000	1,381,000
Costs in Excess of Billings, Current	1,917,000	0
Foreign sales tax receivable	610,000	228,000
Prepaid expenses and other current assets	1,388,000	912,000
Total current assets	64,000,000	59,888,000
Property, plant and equipment, net	68,631,000	70,601,000
Goodwill	2,403,000	2,403,000
Intangible Assets, Net (Excluding Goodwill)	513,000	563,000
Other Assets, Noncurrent	2,076,000	0
Total Assets	137,623,000	133,455,000
Current liabilities:
Current portion of long-term debt	3,000,000	3,000,000
Accounts payable	13,850,000	8,534,000
Tooling in progress	0	1,084,000
Current portion of post retirement benefits liability	1,096,000	1,018,000
Accrued liabilities:
Compensation and related benefits	3,524,000	5,004,000
Taxes	861,000	1,038,000
Other	1,300,000	1,620,000
Total current liabilities	23,631,000	21,298,000
Long-term debt	3,750,000	6,750,000
Post retirement benefits liability	7,954,000	7,649,000
Total Liabilities	35,730,000	36,689,000
Commitments and Contingencies	0	0
Stockholders’ Equity:
Preferred stock — $0.01 par value, authorized shares - 10,000,000; no shares outstanding at December 31, 2017 and December 31, 2016	0	0
Common stock — $0.01 par value, authorized shares - 20,000,000; outstanding shares: 7,711,277 at December 31, 2017 and 7,635,093 at December 31, 2016	77,000	76,000
Paid-in capital	31,465,000	30,134,000
Accumulated other comprehensive income, net of income taxes	2,070,000	2,414,000
Treasury stock — at cost, 3,773,128 shares at December 31, 2017 and 3,753,595 shares at December 31, 2016	(28,153,000)	(27,781,000)
Retained earnings	96,434,000	91,923,000
Total Stockholders’ Equity	101,893,000	96,766,000
Total Liabilities and Stockholders’ Equity	$ 137,623,000	$ 133,455,000

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).

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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.