4. Trade Receivables, net (Tables)

12 Months Ended

Dec. 31, 2015

Trade Receivables Net Tables

Trade Receivables, net

	December 31,
	2015			2014
Trade receivables	$	378		$	433
Conforming EPTAs		94			192
Non-Conforming EPTAs:
1 - 30 days		11			19
31 - 60 days		4			28
61 - 90 days		17			3
Gross trade receivables		504			675
Less: allowance for doubtful accounts		(59	)		(68	)
Trade receivables, net	$	445		$	607
Current trade receivables, net	$	364		$	543
Long-term trade receivables, net		81			64
Trade receivables, net	$	445		$	607