Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Accrued Liabilities [Abstract]

Accrued Liabilities

The components of accrued liabilities are:

	June 30, 2013		December 31, 2012
Royalties	$	164,602	$	351,846
10% convertible preferred stock dividends		175,050		-
Interest		179,537		-
Payroll		72,004		77,757
Miscellaneous		4,914		16,831
Total accrued liabilities	$	596,107	$	446,434