Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

		Total		% of Total
Customer	Year	Revenue		Revenue
United States Enrichment Corporation ("USEC")	2014	$	10,272,000		18.0	%
	2013	$	2,037,000		2.7	%

CH Plateau Remediation Company ("CHPRC")	2014	$	5,762,000		10.1	%
	2013	$	19,922,000		26.8	%

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.