Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 226,793	$ 138,951
Short-term investments	96,048	178,013
Restricted cash	1,528	1,062
Trade and other receivables, net	11,787	5,849
Unbilled - collaboration and license revenue	6,317	9,880
Inventories	2,672	7,873
Prepaid and other current assets	9,713	11,699
Total current assets	354,858	353,327
Property and equipment, net	5,032	5,236
Intangible assets	7,137	7,279
Prepaid and other long-term assets	33,355	20,577
Total assets	400,382	386,419
Current liabilities:
Accounts payable	9,748	13,215
Accrued research and development	18,376	19,831
Accrued and other liabilities	28,413	22,310
Deferred revenue, current portion	2,212	1,847
Current portion of notes payable and long term royalty-based debt	15,079	11,802
Total current liabilities	73,828	69,005
Notes payable, less current portion	46,860	48,298
Long term royalty-based debt, less current portion	156,926	155,256
Long term debt	56,839
Long term obligation to collaborator, less current portion	6,438	6,881
Deferred revenue, long-term less current portion	4,426	4,488
Other long-term liabilities	4,415	11,924
Total liabilities	349,732	295,852
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value, 150,000 shares authorized at March 31, 2019 and December 31, 2018; 67,977 shares and 66,618 shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	70	68
Additional paid-in capital	1,652,292	1,614,320
Accumulated deficit	(1,603,860)	(1,525,704)
Accumulated other comprehensive loss	(80)	(283)
Total Portola stockholders’ equity	48,422	88,401
Noncontrolling interest	2,228	2,166
Total stockholders’ equity	50,650	90,567
Total liabilities and stockholders’ equity	$ 400,382	$ 386,419