CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 45,039	$ 7,703
Restricted cash	525	500
Marketable securities	0	37,955
Prepaid expenses and other current assets	2,764	2,669
Total current assets	48,328	48,827
Property and equipment, net	2,174	808
Ownership interests in and advances to partner companies	79,645	95,585
Other assets	702	517
Total Assets	130,849	145,737
Current Liabilities:
Accounts payable	117	165
Accrued compensation and benefits	2,057	3,433
Accrued expenses and other current liabilities	1,138	2,182
Credit facility - current	0	22,100
Credit facility repayment feature	0	5,060
Lease liability - current	396
Total current liabilities	3,708	32,940
Credit facility - non-current	0	43,014
Lease liability - non-current	2,476
Other long-term liabilities	1,728	2,804
Total Liabilities	7,912	78,758
Commitments and contingencies (Note 10)
Equity:
Preferred stock, $0.10 par value; 1,000 shares authorized	0	0
Common stock, $0.10 par value; 83,333 shares authorized; 21,573 shares issued at September 30, 2019 and December 31, 2018	2,157	2,157
Additional paid-in capital	810,649	810,928
Treasury stock, at cost; 928 and 914 shares at September 30, 2019 and December 31, 2018, respectively	(13,998)	(15,001)
Accumulated deficit	(675,846)	(731,105)
Accumulated other comprehensive loss	(25)	0
Total Equity	122,937	66,979
Total Liabilities and Equity	$ 130,849	$ 145,737