Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

The following table shows our cash and available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category recorded as cash and cash equivalents or short- or long-term investments as of June 30, 2017:

	June 30, 2017
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash and Cash Equivalents		Short-Term Investments		Long-Term Investments

Cash	$	2,290,062	$	-	$	-		$	2,290,062	$	2,290,062	$	-	$	-

Level 1:
Money market funds		8,141,006		-		-			8,141,006		8,141,006		-		-
Subtotal		8,141,006		-		-			8,141,006		8,141,006		-		-

Level 2:
Certificates of deposit		2,160,000		-		(936	)		2,159,064		-		1,439,326		719,738
Commercial paper		1,190,110		-		(238	)		1,189,872		-		1,189,872		-
Corporate notes/bonds		9,656,454		-		(6,198	)		9,650,256		-		9,650,256		-
U.S. government agencies		3,500,642		-		(6,117	)		3,494,525		-		1,996,040		1,498,485
Subtotal		16,507,206		-		(13,489	)		16,493,717		-		14,275,494		2,218,223

Total	$	26,938,274	$	-	$	(13,489	)	$	26,924,785	$	10,431,068	$	14,275,494	$	2,218,223

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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