2. Debt and Notes Payable (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt to Financial Institutions

(In thousands)	December 31,
	2017		2016
Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.85% at December 31, 2017, due July 1, 2029, secured by TPT's land and buildings. (Euro balance at December 31, 2017, €176)	$	211	$	206
Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.3% at December 31, 2017, due January 31, 2030, secured by TPT's land and buildings. (Euro balance at December 31, 2017, €204)		245		234
Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.0% per annum, due December 31, 2025, is secured by TPT's land and buildings. (Euro balance at December 31, 2017, €800)		960		947
Variable rate Euro term note payable to a Netherlands bank, with a EURIBOR interest rate plus bank margin of 2.3% per annum, due December 31, 2020, is secured by substantially all of TPT's assets.  The interest rate at December 31, 2017 was 2.3%. (Euro balance at December 31, 2017, €1,410)		1,692		1,978
Malaysian Ringgit term note payable to a Malaysian bank, with an interest rate of 2% above the bank base lending rate, due October 25, 2018, secured by TMM's property, plant and equipment. The interest rate at December 31, 2017 was 5.2%. (Ringgit balance at December 31, 2017, RM 1,250)		309		502
Total	$	3,417	$	3,867
Less current maturities		1,039		1,142
Total long-term debt - financial institutions	$	2,378	$	2,725

Scedule of the future maturities of long-term debt to financial institutions

Years Ending December 31,
(In thousands)
2018	$	1,039
2019		730
2020		730
2021		166
2022		166
Thereafter		586
Total	$	3,417