Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows From Operating Activities
Net income	$ 7,940	$ 996
Adjustments to reconcile net loss to net cash and cash equivalents provided by operating activities:
Stock-based compensation	1,597	2,026
Deferred taxes	413	0
Depreciation and amortization	2,742	1,409
Non-cash interest relating to convertible notes and loan cost amortization	3,388	0
Changes in operating assets and liabilities:
Accounts receivable, net	(1,583)	4,719
Inventories, net	(5,183)	(2,394)
Prepaid expenses and other current assets	368	87
Accounts payable	(1,379)	302
Accrued compensation and related expenses	(504)	(81)
Current income taxes, net	(5,275)	3
Accrued Medicaid rebates	(373)	(56)
Accrued expenses, returned goods reserve, and other	175	122
Net Cash and Cash Equivalents Provided by Operating Activities	2,326	7,133
Cash Flows From Investing Activities
Acquisition of product rights and other related assets	(4,500)	(12,517)
Acquisition of property and equipment	(310)	(371)
Net Cash and Cash Equivalents Used in Investing Activities	(4,810)	(12,888)
Cash Flows From Financing Activities
Net proceeds from equity offering	0	46,680
Proceeds from stock option exercises	244	743
Proceeds from warrant exercise	0	180
Excess tax benefit from share-based compensation awards	47	8
Treasury stock purchases	(113)	0
Net Cash and Cash Equivalents Provided by Financing Activities	178	47,611
Change in Cash and Cash Equivalents	(2,306)	41,856
Cash and cash equivalents, beginning of period	169,037	11,105
Cash and cash equivalents, end of period	166,731	52,961
Supplemental disclosure for cash flow information:
Cash paid for interest	2,048	(3)
Cash paid for income taxes	9,450	60
Supplemental non-cash investing and financing activities:
Property and equipment purchased on credit	$ 50	$ 0