CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 60,791,476	$ 15,646,963
Accounts receivable, net	22,769,368	25,681,371
Inventory, net	12,545,816	13,809,929
Note receivable, net of unamortized discount of $25,145 and $100,582, respectively	4,824,855	4,749,418
Prepaid expenses and other current assets	6,535,823	5,878,292
Income tax receivable	5,348,137	1,318,446
Deferred income taxes	11,085,000	9,301,000
Total current assets	123,900,475	76,385,419
Property and equipment, net	1,107,285	6,872,042
Other assets:
Goodwill	41,581,017	42,496,592
Intangible assets, net	76,380,424	80,022,283
Note receivable, net of unamortized discount of $223,087 and $318,696, respectively	4,626,913	4,531,304
Other long-term assets	5,543,590	1,078,655
Total assets	253,139,704	211,386,295
Current liabilities:
Accounts payable	7,738,240	3,443,629
Accrued personnel expenses	3,975,589	3,803,274
Accrued allowances	34,857,336	34,285,578
Other accrued expenses	3,964,389	5,532,549
Put option and contingent consideration - Cypress acquisition		1,330,000
Other liabilities	4,363,751	4,072,933
Debt	13,128,848	16,999,687
Total current liabilities	68,028,153	69,467,650
Long-term liabilities
Other liabilities	11,487,682	14,387,766
Debt		1,309,767
Senior convertible notes	65,000,000
Deferred income taxes	11,284,000	15,499,000
Total liabilities	155,799,835	100,664,183
Commitments and contingencies (Note 17)
STOCKHOLDERS' EQUITY
Common stock, $.01 par value, 90,000,000 shares authorized, 40,336,677 and 39,318,301 issued and 38,024,889and 37,189,351 outstanding at June 30, 2014 and December 31, 2013, respectively	380,249	371,893
Treasury stock, at cost (2,311,788 and 2,128,950 shares held at June 30, 2014 and December 31, 2013, respectively)	(4,754,400)	(4,001,475)
Additional paid-in capital	122,691,658	119,553,760
Accumulated deficit	(20,977,638)	(5,202,066)
Total stockholders' equity	97,339,869	110,722,112
Total liabilities and stockholders' equity	$ 253,139,704	$ 211,386,295