Debt and Notes Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Total	$ 4,964	$ 2,720
Less current maturities	1,485	1,113
Total long-term debt - financial institutions	$ 3,479	1,607
Fixed Rate Notes Payable to American Bank, N.A. Due January 1, 2016 [Member]
Debt Instrument [Line Items]
Total		486
Fixed Rate Notes Payable to Rabobank Due July 1, 2029 [Member]
Debt Instrument [Line Items]
Total	$ 235	286
Fixed Rate Notes Payable to Rabobank Due January 31, 2030 [Member]
Debt Instrument [Line Items]
Total	264	$ 316
Fixed Rate Notes Payable to Rabobank Due December 31, 2025 [Member]
Debt Instrument [Line Items]
Total	1,087
Fixed rate Notes Payable to Rabobank [Member]
Debt Instrument [Line Items]
Total	2,554
Term Notes Payable to HSBC Bank Malaysia Berhad Due March 1, 2016 [Member]
Debt Instrument [Line Items]
Total	68	$ 417
Term Notes Payable to HSBC Bank Malaysia Berhad Due October 25, 2018 [Member]
Debt Instrument [Line Items]
Total	$ 756	$ 1,215