Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 127,540 $ 135,223
Restricted cash 11,512 10,725
Short-term investments 19,443 0
Accounts receivable 26,750 33,500
Deferred income tax 0 210
Prepaid expenses and other current assets 3,245 4,219
Total current assets 188,490 183,877
Loan receivable and accrued interest 18,616 0
Investment warrants 1,960 0
Property and equipment, net of accumulated depreciation and amortization 127 272
Patents, net of accumulated amortization 86,319 162,642
Other assets 491 1,110
Total assets 296,003 347,901
Current liabilities:    
Accounts payable and accrued expenses 14,283 17,347
Accrued patent investment costs 0 1,000
Royalties and contingent legal fees payable 13,908 14,878
Total current liabilities 28,191 33,225
Deferred income taxes 0 210
Other liabilities 369 311
Total liabilities 28,560 33,746
Commitments and contingencies (Note 12)
Stockholders' equity:    
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; no shares issued or outstanding 0 0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 50,476,042 shares issued and outstanding as of December 31, 2016 and 50,651,239 shares issued and outstanding as of December 31, 2015 50 51
Treasury stock, at cost, 1,729,408 shares as of December 31, 2016 and 2015 (34,640) (34,640)
Additional paid-in capital 642,453 633,146
Accumulated comprehensive loss (76) (215)
Accumulated deficit (342,198) (288,131)
Total Acacia Research Corporation stockholders’ equity 265,589 310,211
Noncontrolling interests in operating subsidiaries 1,854 3,944
Total stockholders’ equity 267,443 314,155
Total liabilities and stockholders' equity $ 296,003 $ 347,901