Unaudited Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2016	Dec. 31, 2015	[1]
CURRENT ASSETS
Cash and cash equivalents	$ 499,493,964	$ 551,557,527
Short-term investments	145,335,532	4,547,355
Accounts receivable, net	219,442,950	195,969,400
Inventories	176,226,597	174,695,411
Prepaid expenses and other	15,104,858	57,239,099
Total current assets	1,055,603,901	984,008,792
PLANT AND EQUIPMENT—NET	431,695,399	412,720,270
OTHER ASSETS
Goodwill	307,365,845	307,365,845
Long-term investments	73,457,358	95,156,539
Intangible Assets, net	317,925,000	327,575,000
Patents and other assets, net	21,211,703	21,846,482
Total other assets	719,959,906	751,943,866
Total assets	2,207,259,206	2,148,672,928
CURRENT LIABILITIES
Accounts payable	81,823,157	66,353,774
Accrued liabilities	87,260,676	64,652,772
Total current liabilities	169,083,833	131,006,546
LONG TERM DEBT	206,875,000	225,625,000
DEFERRED INCOME TAXES	46,377,195	69,524,621
TOTAL LIABILITIES	422,336,028	426,156,167
SHAREHOLDERS’ INVESTMENT
Common stock	17,255,461	17,480,281
Additional paid-in capital	638,336,658	596,782,695
Retained earnings	1,132,806,657	1,109,384,621
Accumulated other comprehensive income	(3,475,598)	(1,130,836)
Total shareholders’ investment	1,784,923,178	1,722,516,761
Total liabilities and shareholders’ investment	$ 2,207,259,206	$ 2,148,672,928

[1] Note: The condensed consolidated balance sheet at December 31, 2015 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.