CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,690,898	$ 23,022,821
Accounts receivable, net	23,336,704	36,647,087
Inventory, net	16,517,332	22,014,405
Prepaid expenses and other current assets	6,694,481	3,888,117
Note Receivable	4,711,700
Prepaid income taxes	847,382	2,024,411
Deferred income taxes	6,156,000	8,118,500
Total current assets	67,954,497	95,715,341
Property and equipment, net	7,249,810	6,946,944
Other assets:
Investments		5,710,526
Goodwill	53,825,276	37,160,911
Intangible assets, net	100,312,371	104,054,431
Note Receivable	4,483,500
Other long-term assets	1,226,329	1,858,534
Total assets	235,051,783	251,446,687
Current liabilities:
Accounts payable	7,089,259	5,045,488
Accrued personnel expense	3,419,925	2,881,967
Accrued allowances	29,196,317	30,054,551
Other accrued expenses	5,063,980	5,548,084
Put option and contingent consideration - Cypress acquisition	15,649,369	6,562,169
Other liabilities	1,300,793	1,568,495
Debt	13,883,224	2,286,513
Total current liabilities	75,602,867	53,947,267
Long-term liabilities:
Put option and contingent consideration - Cypress acquisition	4,494,800	7,765,511
Other liabilities	3,103,406
Debt	1,345,554	41,349,563
Deferred income taxes	34,918,000	35,535,500
Total liabilities	119,464,627	138,597,841
Commitments and contingencies
Temporary Equity
Common stock subject to repurchase (3,565,692 and 4,427,084 shares as of September 30, 2013 and December 31, 2012, respectively)	27,634,113	34,309,901
STOCKHOLDERS' EQUITY
Common stock, $.01 par value, 90,000,000 shares authorized, 39,903,469 and 34,994,828 issued and 37,783,578 and 34,030,351 outstanding at September 30, 2013 and December 31, 2012, respectively)	335,549	296,033
Treasury stock, at cost (2,119,891 and 2,072,810 shares held at September 30, 2013 and December 31, 2012, respectively)	(3,980,629)	(3,772,410)
Additional paid-in capital	91,229,563	58,606,942
Retained earnings	368,560	20,433,262
Accumulated other comprehensive income		2,975,118
Total equity	87,953,043	78,538,945
Total liabilities and stockholders' equity	$ 235,051,783	$ 251,446,687