Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 462,743	$ 370,741
Accounts receivable, net of allowances of $39.7 million and $47.0 million at June 30, 2015 and December 31, 2014, respectively	52,615	155,691
Inventory	127,779	81,450
Deferred tax assets	0	33,080
Prepaid expenses and other current assets	17,309	16,012
Total current assets	660,446	656,974
Fixed assets, net	38,564	40,060
Intangible assets, net	1,039,159	892,659
Goodwill	313,508	286,532
Restricted cash	1,454	1,446
Other assets	13,500	8,034
Total assets	2,066,631	1,885,705
Current liabilities:
Accounts payable	17,701	19,799
Accrued expenses	121,976	159,252
Current portion of contingent purchase price	59,900	210,422
Deferred revenue	9,126	14,350
Total current liabilities	208,703	403,823
Contingent purchase price	147,260	140,712
Deferred tax liabilities	163,949	164,459
Convertible senior notes (due 2017 and 2022)	568,044	246,676
Other liabilities	6,883	9,944
Total liabilities	1,094,839	965,614
Stockholders' equity:
Preferred stock, $1.00 par value per share, 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value per share, 187,500,000 shares authorized; 68,875,522 issued and 66,682,540 outstanding at June 30, 2015 and 125,000,000 authorized; 67,667,468 issued and 65,474,486 outstanding at December 31, 2014, respectively	68	68
Additional paid-in capital	1,136,358	1,045,078
Treasury stock, at cost; 2,192,982 shares at June 30, 2015 and December 31, 2014, respectively	(50,000)	(50,000)
Accumulated deficit	(118,667)	(77,109)
Accumulated other comprehensive income	4,482	2,528
Total The Medicines Company stockholders' equity	972,241	920,565
Non-controlling interest in joint venture	(449)	(474)
Total stockholders' equity	971,792	920,091
Total liabilities and stockholders' equity	$ 2,066,631	$ 1,885,705