CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 971,193	$ 608,628
Marketable securities	4,325	4,550
Accounts receivable, net of allowances of $0 and $0 at June 30, 2020 and December 31, 2019, respectively	22,258	295
Inventory	20,807	0
Prepaid expenses	21,105	21,818
Other current assets	3,788	3,413
Total current assets	1,043,476	638,704
Property and equipment, net of accumulated depreciation and amortization of $9,955 and $7,925 at June 30, 2020 and December 31, 2019, respectively	33,512	32,762
Other long-term assets	142	256
Total Assets	1,077,130	671,722
Current Liabilities:
Accounts payable and accrued expenses	59,862	60,860
Liability related to sale of future royalties - current	21,043	3,455
Lease liability - current	356	337
Convertible senior notes, net	0	7,106
Total current liabilities	81,261	71,758
Liability related to sale of future royalties - non-current	267,650	257,769
Deferred revenues	126,210	65,000
Lease liability - non-current	9,782	9,965
Total Liabilities	484,903	404,492
Commitments and Contingencies (Note 12)
Stockholders' Equity:
Convertible preferred stock, $0.01 par value; authorized 10,000,000 shares; no shares issued and outstanding at June 30, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value; authorized 275,000,000 shares at June 30, 2020 (250,000,000 at December 31, 2019); issued 231,073,471 shares and outstanding 230,953,850 shares at June 30, 2020; issued 212,529,313 shares and outstanding 212,409,692 shares at December 31, 2019	2,311	2,125
Capital contributed in excess of par	2,063,819	1,579,205
Treasury stock, at cost: 119,621 shares at June 30, 2020 and December 31, 2019	(2,095)	(2,095)
Accumulated deficit	(1,469,919)	(1,310,406)
Accumulated other comprehensive loss	(795)	(568)
Total Immunomedics, Inc. stockholders' equity	593,321	268,261
Noncontrolling interest in subsidiary	(1,094)	(1,031)
Total Stockholders' Equity	592,227	267,230
Total Liabilities and Stockholders' Equity	$ 1,077,130	$ 671,722