CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 334,984	$ 76,530
Income tax receivable	1,048	0
Prepaid expenses and other current assets	642	476
Assets of discontinued operations (Note 5, Discontinued Operations)	181,084	166,505
Total current assets	517,758	243,511
Fixed assets, net of accumulated depreciation and amortization	52	93
Intangible assets, net	0	700
Cost method businesses	17,348	17,250
Other assets, net	146	147
Assets of discontinued operations (Note 5, Discontinued Operations)	0	192,017
Total assets	535,304	453,718
Current liabilities
Accounts payable	162	1,108
Accrued expenses	3,333	1,734
Accrued compensation and benefits	8,453	710
Liabilities of discontinued operations (Note 5, Discontinued Operations)	19,826	50,907
Total current liabilities	31,774	54,459
Liabilities of discontinued operations (Note 5, Discontinued Operations)	0	27,917
Total liabilities	31,774	82,376
Redeemable noncontrolling interests (Note 4, Consolidated Businesses)	3,041	5,858
Actua Corporation’s stockholders’ equity
Preferred stock, $0.01 par value; 10,000 shares authorized, none issued or outstanding	0	0
Common stock, $0.001 par value; 2,000,000 shares authorized, 45,641 shares (2017) and 46,523 shares (2016) issued	46	47
Treasury stock, at cost 13,762 shares (2017) and 11,586 shares (2016)	(160,208)	(129,774)
Additional paid-in capital	3,581,929	3,578,204
Accumulated deficit	(2,921,278)	(3,095,236)
Accumulated other comprehensive income	0	99
Total Actua Corporation’s stockholders’ equity	500,489	353,340
Noncontrolling interests	0	12,144
Total equity	500,489	365,484
Total liabilities, redeemable noncontrolling interests and equity	$ 535,304	$ 453,718