Nature of business, basis of presentation and summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of cash and cash equivalents

Cash and cash equivalents:

The Company's cash and cash equivalents, at December 31, consisted of the following:

	2012	2011
Cash in bank	$ 486	$ 281
Money market funds	-	26
Cash and cash equivalents	$ 486	$ 307

Schedule of amortization for intangible assets

Future patent amortization is as follows:

Year Ended December 31,
2013	365
2014	357
2015	342
2016	322
Thereafter	269
Total	$ 1,655