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Consolidated Statements of Cash Flows (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Cash flows from operating activities:          
Net loss $ (20,237,649) $ (7,045,645) $ (19,397,016) $ (25,949,788) $ (9,242,071)
Adjustments to reconcile net loss to net cash used in operating activities:          
Common stock, stock options and warrants issued as payment for compensation, services rendered and interest expense 6,656,953 4,339,693 7,863,492 12,323,997 3,890,419
Depreciation and amortization 4,582,873 1,465,220 5,136,159 720,268 115,961
(Loss)/gain on short term investments   34,717 (24,934)    
Amortization of preferred stock discount and issuance costs 1,329,187   281,211    
Changes in fair value of derivative liability (295,356)   138,325    
Write off of acquired in process research and development 927,000        
Gain on contract termination     (656,278)    
Loss on disposal of assets 396,635        
Interest expense     165,567    
Charitable contributions paid with common stock 607,363        
Bad debt expense (recovery) (29,442) 28,176 (70,829) (90,216) 21,500
Goodwill impairment charge     558,168    
Loss on disposal of property and equipment     1,355,971    
Deferred income taxes (351,320) (121,244) (830,681) (302,525)  
Realization of stepup in basis of inventory recorded at date of merger       1,957,631  
Changes in operating assets and liabilities:          
Prepaid expenses and other current assets (26,887) (78,895) (24,140) 1,796,691 (46,197)
Accounts receivable (882,410) (286,184) 98,505 571,689 (4,088)
Inventory (1,495,358) (3,331,720) (7,469,128) (2,427,095)  
Unearned revenues 134,202 (647,749) (336,704) 1,991,816 6,947
Other assets 97,248 (78,900) (127,113) (238,941)  
Income taxes payable     (667,729)    
Accounts payable, accrued expenses and other current liabilities (4,678,560) 2,258,073 5,530,454 1,274,621 525,364
Net cash used in operating activities (13,265,520) (3,464,458) (8,476,699) (8,371,852) (4,732,165)
Cash flows from investing activities:          
Cash associated with merger and acquisition 227,942     696,456  
Purchase of short term investments (24) (2,430,388) (2,424,132)    
Proceeds from short term investments   2,390,602 2,742,018    
Change in restricted cash used as collateral for notes payable (1,407,483) 639,944      
Increase in restricted cash     (1,045,955) (959,890)  
Acquisition of property and equipment (5,237,141) (8,634,298) (16,377,722) (2,387,555) (9,785)
Net cash used in investing activities (6,416,706) (8,034,140) (17,105,791) (2,650,989) (9,785)
Cash flows from financing activities:          
Net proceeds from the exercise of warrants   2,493,750      
Net proceeds from the exercise of warrants and options     3,101,850    
Net proceeds from the exercise of options 7,100 140,100      
Net proceeds from issuance of capital stock 5,907,723 13,565,504 21,212,974   2,898,635
Payment from related party 644,414 375,135      
Net proceeds from issuance of preferred stock     8,894,062 15,669,220  
Repayment of mortgage loan (64,366)        
Proceeds of bank loan 4,592,000   3,000,000 2,197,500  
Proceeds from notes payable 10,950,616 11,046,833 20,506,518 2,918,269 131,617
Repayment of notes payable (9,781,781) (9,988,213) (21,000,225) (2,742,669) (136,337)
Repayment of debt to related party (3,406,043)        
Repayment of bank loan   (2,209,500) (2,203,650)    
Payment of dividend   (222,922) (222,924)    
Proceeds from (payments to) related parties     566,845 (243,777)  
Repayment of capitalized lease obligations       (14,726) (25,406)
Net cash provided by financing activities 8,849,663 15,200,687 33,855,450 17,783,817 2,868,509
Impact of changes of foreign exchange rates 70,582 97,318 180,062 (32,393)  
Net increase (decrease) in cash and cash equivalents (10,761,981) 3,799,407 8,453,022 6,728,583 (1,873,441)
Cash and cash equivalents at beginning of period 15,612,391 7,159,369 7,159,369 430,786 2,304,227
Cash and cash equivalents at end of period 4,850,411 10,958,776 15,612,391 7,159,369 430,786
Cash paid during the period for:          
Interest 1,333,800 207,500 279,596 23,137 11,662
Taxes 1,634,500 999,800 2,056,250    
Supplemental Schedule of non-cash investing activities          
Acquisition of property and equipment 1,283,400 418,000 2,443,958    
Capitalized interest 212,000 205,300 391,466    
Issuance of warrants for CBH acquisition       590,790  
Supplemental schedule of non-cash financing activities          
Common stock and warrants issued with the acquisition of PCT 17,866,200        
Common stock issued pursuant to the redemption of Convertible Redeemable Series E 7% Preferred Stock 1,959,600        
Common stock issued in payment of dividends for the Convertible Redeemable Series E 7% Preferred Stock 475,200        
Financing costs for capital stock raises   463,400 33,355    
Conversion of Convertible Redeemable Series C Preferred Stock   13,720,000 13,720,048    
Dividend to Related Party reinvested as loan payable 11,726,000        
Issuance of common stock for the conversion of the Series D preferred stock       15,669,220  
Preferred stock dividend       5,611,989  
Common Stock
          
Supplemental Schedule of non-cash investing activities          
Issuance of stock for CBH acquisition       20,762,753  
Series C Preferred Stock
          
Supplemental Schedule of non-cash investing activities          
Issuance of stock for CBH acquisition       $ 8,177,512