Note 7 - Commitments

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

7.            Commitments

Lease Commitments

The Company leases its corporate office under an operating lease agreement that expires in August 2014. In addition to the minimum lease payments, the agreement requires payment of the Company's pro-rata share of property taxes and building operating expenses.

As of December 31, 2013, future minimum lease payments are estimated to be approximately $30,000 during the year ended December 31, 2014.

Total rent expense was $40,000 in 2013 and 2012, respectively.

During the year ended December 31, 2011, the Company began manufacturing its RenalGuard consoles and sterile disposable kits by two separate outside contract manufacturers. The contracts with these manufacturers do not contain minimum purchase requirements or any future commitments. Purchases are made upon request to the manufacturer. During the year ended December 31, 2013 there are still no minimum purchase requirements or any future commitments for these contracts.

During the year ended December 31, 2011, the Company hired a clinical research organization (“CRO”) to assist with managing its clinical trial. The contract with the CRO does not contain minimum purchase requirements or any future commitments, and payments are made once services are provided. During the year ended December 31, 2013 there are still no minimum purchase requirements or any future commitments for this contract.