6. Long Term Debt and Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Notes payable		$ 1,193
Convertible promissory notes, 4.0%: maturing at various dates through 2016		832
Capitalized lease obligations and other financing		843
Total debt and obligations		2,868
Long-term debt and obligations due within one year	$ 0	(1,790)
Long-term debt and obligations		1,078
Discontinued Operations
Notes payable		0
Convertible promissory notes, 4.0%: maturing at various dates through 2016		0
Capitalized lease obligations and other financing		201
Total debt and obligations		201
Long-term debt and obligations due within one year		(94)
Long-term debt and obligations		$ 107