Other Income (Loss), Net (Tables)

12 Months Ended

Dec. 31, 2017

Other Income and Expenses [Abstract]

Other Income (Loss), Net

Year ended December 31, 2017:
Loss on mark-to-market of holdings in trading securities	$	(493	)
Loss on impairment of legacy private equity fund	(216		)
Gain on legacy Penn Mezzanine debt and equity participations	399
Loss on partial extinguishment of 2018 Debentures	(29		)
	$	(339	)

Year ended December 31, 2016:
Loss on impairment of Penn Mezzanine debt and equity participations	$	(2,360	)
Gain on sale of Bridgevine	424
Other	254
	$	(1,682	)

Year ended December 31, 2015:
Gain on proceeds received from escrow related to sale of Crescendo	$	2,914
Loss on impairment of Dabo Health	(2,356		)
Loss on impairment of legacy private equity fund	(398		)
Other	57
	$	217