12. Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Valuation of financial instruments at fair value

	Fair Value Measurements at June 30, 2017
	Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	47,294	$	–	$	–
Total assets		47,294		–		–
Liabilities
Total liabilities		–		–		–
	$	47,294	$	–	$	–

	Fair Value Measurements at December 31, 2016
	Level 1		Level 2		Level 3
Assets
Cash and cash equivalents	$	66,269	$	–	$	–
Total assets		66,269		–		–
Liabilities
Total liabilities		–		–		–
	$	66,269	$	–	$	–