Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

For the three months ended March 31, 2016, the potential dilutive common stock equivalents have been excluded from the computation of diluted earnings (loss) per share, as their effect would have been anti-dilutive.

For the three months ended March 31, 2016 and 2015

(in thousands except shares and per share data)

	2016		2015
Basic earnings (loss) per share computation:
Net (loss) income - basic	$	(950)	$	6,555
Weighted average common shares - basic		53,031,351		52,841,900
Basic (loss) earnings per share	$	(0.02)	$	0.12
Dillutive earnings (loss) per share computation:
Net (loss) income - basic	$	(950)	$	6,555
Interest expense related to convertible 3.75% senior notes		-	$	1,348
Amortization of discount related to convertible 3.75% senior notes		-	$	1,590
Change in the fair value of derivative		-		(8,625)
Net (loss) income - diluted	$	(950)	$	868
Share Computation:
Weighted average common shares - basic		53,031,351		52,841,900
Effect of convertible 3.75% senior notes		-		12,732,168
Effect of dilutive stock options and warrants		-		1,636,109
Weighted average common shares outstanding - dilluted		53,031,351		67,210,177
Dilluted (loss) earnings per share	$	(0.02)	$	0.01

Schedule of Product Information [Table Text Block]

Product Sales, net, include Company Product Sales and Contract Manufacturing Sales, as follows:

	Three months ended
	March 31,
	2016		2015
Company product sales	$	9,191	$	8,096
Contract manufacturing sales		6,231		2,414
Product sales, net	$	15,422	$	10,510

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Gross-To-Net Sales Deductions

(in thousands)

	Three months ended
	March 31,
	2016		2015
Gross Company product sales	$	26,823	$	22,307
Reduction to gross product sales:
Chargebacks and billbacks		12,345		12,512
Sales discounts and other allowances		5,287		1,699
Total reduction to gross product sales		17,632		14,211
Company product sales, net	$	9,191	$	8,096