Cash, Cash Equivalents and Marketable Securities

12 Months Ended

Dec. 31, 2016

Cash, Cash Equivalents and Marketable Securities

Cash, Cash Equivalents and Marketable Securities

5. Cash, Cash Equivalents and Marketable Securities

        A summary of cash, cash equivalents and available-for-sale marketable securities held by the Company as of December 31, 2016 and December 31, 2015 is as follows:

	December 31, 2016
	Amortized Cost		Unrealized gains		Unrealized Losses		Fair value
Cash and cash equivalents:
Cash and money market funds (Level 1)	$	19,144,983	$	—	$	—	$	19,144,983
Corporate debt securities due within 3 months of date of purchase (Level 2)		—		—		—		—
Total cash and cash equivalents		19,144,983		—		—		19,144,983
Marketable securities:
Corporate debt securities due within 1 year of date of purchase (Level 2)		21,329,121		25,404		—		21,354,525
Total cash, cash equivalents and marketable securities	$	40,474,104	$	25,404	$	—	$	40,499,508

	December 31, 2015
	Amortized Cost		Unrealized gains		Unrealized Losses		Fair value
Cash and cash equivalents:
Cash and money market funds (Level 1)	$	306,249	$	—	$	—	$	306,249
Total cash, cash equivalents and marketable securities	$	306,249	$	—	$	—	$	306,249