CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Revenues:        
Equipment leasing $ 1,438,069 $ 2,188,954 $ 3,577,239 $ 4,530,247
Administrative, field & support service revenues 134,381 117,107 263,277 236,929
Equipment sales 28,984 111,502 41,901 150,802
Total revenues 1,601,434 2,417,563 3,882,417 4,917,978
Operating expenses:        
Cost of revenues 683,894 762,778 1,383,535 1,598,821
Research and development 162,024 227,606 319,271 459,495
Sales, general and administrative 1,081,896 1,690,255 2,264,246 3,228,533
Total operating expenses 1,927,814 2,680,639 3,967,052 5,286,849
Operating loss (326,380) (263,076) (84,635) (368,871)
Interest income (expense):        
Interest income   1   2
Interest expense (88,478) (386,435) (177,679) (745,927)
Total interest expense, net (88,478) (386,434) (177,679) (745,925)
Loss before provision for income taxes (414,858) (649,510) (262,314) (1,114,796)
Provision for income taxes            
Net loss (414,858) (649,510) (262,314) (1,114,796)
Preferred stock dividends and accretion (640,613) (372,595) (1,281,226) (741,400)
Net loss available to common stockholders $ (1,055,471) $ (1,022,105) $ (1,543,540) $ (1,856,196)
Basic and diluted loss per common share (in dollars per share) $ (0.10) $ (0.09) $ (0.14) $ (0.17)
Weighted average shares of common stock outstanding (in shares) 10,934,747 10,930,117 10,932,432 10,929,451