Debt and Notes Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total	$ 4,939	$ 4,964
Less current maturities	1,466	1,485
Total long-term debt - financial institutions	3,473	3,479
Fixed Rate Notes Payable to Rabobank Due July 1, 2029 [Member]
Debt Instrument [Line Items]
Total	241	235
Fixed Rate Notes Payable to Rabobank Due January 31, 2030 [Member]
Debt Instrument [Line Items]
Total	271	264
Fixed Rate Notes Payable to Rabobank Due December 31, 2025 [Member]
Debt Instrument [Line Items]
Total	1,110	1,087
Variable Notes Payable to Rabobank with EURIBOR Interest Rate Due December 31, 2020 [Member]
Debt Instrument [Line Items]
Total	2,543	2,554
Term Notes Payable to HSBC Bank Malaysia Berhad Due October 25, 2018 [Member]
Debt Instrument [Line Items]
Total	$ 774	756
Term Notes Payable to HSBC Bank Malaysia Berhad Due March 31, 2016 [Member]
Debt Instrument [Line Items]
Total		$ 68