CASH, CASH EQUIVALENTS AND SHORT TERM INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2016

Cash Cash Equivalents And Short Term Investments [Abstract]

Schedule of Cash, Cash Equivalents and Short Term Investments

At December 31, 2016, cash, cash equivalents and short term investments consisted of the following:

			Gross		Gross
			Unrealized		Unrealized			Estimated
	Cost		Gains		Losses			Fair Value
Cash	$	9,166	$	0	$	0		$	9,166
Money market funds		457		0		0			457
Government and agency securities		19,132		51		(96	)		19,087
Corporate debt securities		4,791		18		(23	)		4,786
	$	33,546	$	69	$	(119	)	$	33,496

At December 31, 2015, cash, cash equivalents and short term investments consisted of the following:

			Gross		Gross
			Unrealized		Unrealized			Estimated
	Cost		Gains		Losses			Fair Value
Cash	$	5,890	$	0	$	0		$	5,890
Money market funds		301		0		0			301
Government and agency securities		6,233		14		(30	)		6,217
Corporate debt securities		3,102		10		(12	)		3,100
	$	15,526	$	24	$	(42	)	$	15,508