4. Investments (Tables)

9 Months Ended

Sep. 30, 2015

Investments Schedule [Abstract]

Investments, Held-to-Maturity Securities

			Gross Unrealized
	Cost		Gains		Losses			Fair Value
Short-term Investments:
Corporate bonds	$	114	$	--	$	--		$	114
Long-term Investments
Corporate bonds	$	7,966	$		$	(2,186	)	$	5,780

Investments, Available for sale

			Gross Unrealized
	Cost		Gains		Losses		Fair value
As of September 30, 2015:
Long-term Investments:
Equity investments	$	3,876	$	303	$	--	$	4,179