Cash and Cash Equivalents and Short-Term Investments (Tables)

9 Months Ended

Sep. 30, 2018

Cash and Cash Equivalents and Short-Term Investments

Schedule of short term-investments

			Estimated		Carrying
September 30, 2018	Cost		Fair Value		Value
		(inthousands)
Investments:
Short-term:
Trading securities	$	275	$	289	$	289
Total trading securities		275		289		289
Total short term	$	275	$	289	$	289
December 31, 2017
Investments:
Short-term:
Available for sale common stock	$	275	$	238	$	238
Total available for sale common stock		275		238		238
Total short term	$	275	$	238	$	238