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Consolidated Balance Sheets (USD $)
Dec. 31, 2011
Jun. 30, 2011
Current assets:    
Cash and cash equivalents $ 7,330,381 $ 12,991,511
Accounts receivable, less allowance for uncollectible accounts of $34,000 and $113,000, respectively 1,643,767 1,634,719
Finance receivables 283,153 285,786
Inventory 3,341,622 2,670,332
Prepaid expenses and other current assets 1,115,379 846,033
Total current assets 13,714,302 18,428,381
Finance receivables, less current portion 232,346 195,601
Property and equipment, net 9,217,557 7,395,775
Intangibles, net 1,677,153 2,194,353
Goodwill 7,663,208 7,663,208
Other assets 85,584 126,687
Total assets 32,590,150 36,004,005
Current liabilities:    
Accounts payable 4,316,318 5,638,361
Accrued expenses 1,747,910 1,088,090
Current obligations under long-term debt 297,980 155,428
Total current liabilities 6,362,208 6,881,879
Long-term liabilities:    
Long-term debt, less current portion 336,134 97,633
Accrued expenses, less current portion 396,940 166,709
Warrant liabilities, non-current 843,885 2,732,253
Total long-term liabilities 1,576,959 2,996,595
Total liabilities 7,939,167 9,878,474
Commitments and contingencies      
Shareholders' equity:    
Preferred stock, no par value: Authorized shares- 1,800,000 Series A convertible preferred-Issued and outstanding shares- 442,968 (liquidation preference of $15,029,326 and $14,697,100, respectively) 3,138,056 3,138,056
Common stock, no par value: Authorized shares- 640,000,000 Issued and outstanding shares- 32,465,454 and 32,281,140, respectively 220,198,064 219,772,598
Accumulated deficit (198,685,137) (196,785,123)
Total shareholders' equity 24,650,983 26,125,531
Total liabilities and shareholders' equity $ 32,590,150 $ 36,004,005