September
30, 2012

June 30,
2012

Intellectual property

$

3,100,000

$

3,100,000

Patents

1,742,081

1,684,388

4,842,081

4,784,388

Accumulated amortization - intellectual property

(1,348,335

)

(1,309,410

)

Accumulated amortization - patents

(656,129

)

(613,038

)

(2,004,464

)

(1,922,448

)

Net

$

2,837,617

$

2,861,940