CONSOLIDATED BALANCE SHEETS (USD $)
Jun. 30, 2011
Dec. 31, 2010
Current Assets    
Cash and cash equivalents $ 171,225 $ 88,956
Accounts receivable, net of allowance for doubtful accounts of $727,754 in 2011 and $470,998 in 2010 1,663,294 1,717,235
Inventories 271,990 223,629
Prepaid expenses and other 181,657 158,749
Total current assets 2,288,166 2,188,569
Leasehold improvements and equipment, net of accumulated depreciation of $13,041,942 in 2011 and $12,428,434 in 2010 3,713,130 3,719,361
Goodwill 2,302,179 2,302,179
Other assets 18,059 68,059
Total assets 8,321,534 8,278,168
Current Liabilities    
Accounts payable 557,245 449,414
Accrued expenses 414,863 298,009
Revolving Line of Credit   642,886
Current maturities of long-term debt 824,271 1,185,254
Deferred revenues 56,760 71,024
Accrued interest payable 34,984  
Total current liabilities 1,888,123 2,646,587
Long-term debt, less current maturities, including accrued interest on long-term debt 2,453,441 15,266,221
Total liabilities 4,341,564 17,912,808
Redeemable convertible Series C preferred stock   15,896,210
Commitments and contingency    
Stockholders' equity    
Common stock 10,930 10,928
Additional paid-in capital 86,789,529 55,551,402
Accumulated deficit (82,849,687) (81,093,180)
Total stockholders' equity 3,979,972 (25,530,850)
Total liabilities and stockholders' equity 8,321,534 8,278,168
Series C
   
Stockholders' equity    
Nonredeemable convertible preferred stock 15,882  
Series D
   
Stockholders' equity    
Nonredeemable convertible preferred stock $ 13,318 Â