Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table presents the Company’s assets and liabilities measured at fair value on a recurring basis as of March 31, 2015:

			Fair value measurement at reporting date using
			(in thousands)
			Quoted prices in
			active markets for		Significant other		Significant
			identical assets		observable inputs		unobservable
Derivative liabilities on account of convertible notes	Balance		(Level 1)		(Level 2)		inputs (Level 3)
As of March 31, 2015	$	32,775		-		-	$	32,775

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

Basic net income per share of common stock is computed based on the weighted average number of shares of common stock outstanding during the period. Diluted net income per share of common stock is computed using the weighted average number of shares of common stock and potential dilutive common stock equivalents outstanding during the period. Potential dilutive common stock equivalents include shares issuable upon the conversion of the convertible 3.75% senior Notes and the exercise of options and warrants.

For the three months ended March 31, 2015 and 2014

(in thousands except shares and per share data)

	2015		2014
Basic earnings per share computation:
Net income - basic	$	6,555	$	167
Weighted average common shares - basic		52,841,900		46,826,733
Basic earnings per share	$	0.12	$	0.00
Dillutive earnings per share computation:
Net income - basic	$	6,555	$	167
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 liability		(8,625)		-
Net income - diluted	$	868	$	167
Share Computation:
Weighted average common shares - basic		52,841,900		46,826,733
Effect of convertible 3.75% senior notes		12,732,168		-
Effect of dilutive stock options and warrants		1,636,109		1,702,870
Weighted average common shares outstanding - dilluted		67,210,177		48,529,603
Dilluted earnings per share	$	0.01	$	0.00

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

Net revenues and accounts receivable balances in the Company’s consolidated financial statements are presented net of SRA estimates. Certain SRA balances are included in accounts payable and accrued expenses.        

Gross-To-Net Sales Deductions
	Three months ended March 31,
	2015		2014
	(in thousands)
Gross IGI product sales	$	22,307	$	5,025
Reduction to gross product sales:
Chargebacks and billbacks		12,512		1,584
Sales discounts and other allowances		1,699		498
Total reduction to gross product sales	$	14,211	$	2,082
Net IGI product sales	$	8,096	$	2,943