Quarterly report pursuant to sections 13 or 15(d)

Operating Segments (Details)

v2.4.0.6
Operating Segments (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Segment
Mar. 31, 2012
Dec. 31, 2012
Operating Segments [Abstract]      
Number of reporting segments 2    
Financial information of our reporting segments [Abstract]      
Revenue from external customers $ 19,829,000 [1] $ 37,936,000 [1]  
Intercompany revenues 0 0  
Gross (loss) profit 537,000 4,369,000  
Interest income 9,000 15,000  
Interest expense 145,000 221,000  
Interest expense - financing fees (23,000) (34,000)  
Depreciation and amortization 1,287,000 1,392,000  
Segment profit (loss) (2,888,000) (807,000)  
Segment assets 135,765,000 [2] 158,599,000 [2] 141,031,000
Expenditures for segment assets 116,000 206,000  
Total long-term debt, net of current portion 11,779,000 13,280,000  
Debt discount 2,000    
Number of warrants issued for promissory note (in shares) 2    
Promissory note issued 3,000,000    
CH Plateau Remediation Company [Member]
      
Revenue, Major Customer [Line Items]      
Revenue from major customer 6,021,000 6,311,000  
Percentage of revenue from major customer (in hundredths) 30.40% 16.60%  
U.S. Department of Energy [Member]
      
Revenue, Major Customer [Line Items]      
Revenue from major customer 3,258,000 8,567,000  
Percentage of revenue from major customer (in hundredths) 16.40% 22.60%  
Treatment [Member]
      
Financial information of our reporting segments [Abstract]      
Revenue from external customers 7,341,000 [1] 12,842,000 [1]  
Intercompany revenues 672,000 609,000  
Gross (loss) profit (145,000) 2,721,000  
Interest income 0 0  
Interest expense 5,000 2,000  
Interest expense - financing fees 0 0  
Depreciation and amortization 1,039,000 1,130,000  
Segment profit (loss) (888,000) 1,093,000  
Segment assets 72,861,000 [2] 79,171,000 [2]  
Expenditures for segment assets 116,000 166,000  
Total long-term debt, net of current portion 25,000 72,000  
Services [Member]
      
Financial information of our reporting segments [Abstract]      
Revenue from external customers 12,488,000 [1] 25,094,000 [1]  
Intercompany revenues 39,000 68,000  
Gross (loss) profit 682,000 1,648,000  
Interest income 0 0  
Interest expense (5,000) 5,000  
Interest expense - financing fees 0 0  
Depreciation and amortization 222,000 244,000  
Segment profit (loss) (200,000) 105,000  
Segment assets 34,227,000 [2] 46,687,000 [2]  
Expenditures for segment assets 0 38,000  
Total long-term debt, net of current portion 0 4,000  
Segments Total [Member]
      
Financial information of our reporting segments [Abstract]      
Revenue from external customers 19,829,000 [1] 37,936,000 [1]  
Intercompany revenues 711,000 677,000  
Gross (loss) profit 537,000 4,369,000  
Interest income 0 0  
Interest expense 750 7,000  
Interest expense - financing fees 0 0  
Depreciation and amortization 1,261,000 1,374,000  
Segment profit (loss) (1,088,000) 1,198,000  
Segment assets 107,088,000 [2] 125,858,000 [2]  
Expenditures for segment assets 116,000 204,000  
Total long-term debt, net of current portion 25,000 76,000  
Corporate And Other [Member]
      
Financial information of our reporting segments [Abstract]      
Revenue from external customers 0 [1],[3] 0 [1],[3]  
Intercompany revenues 0 [3] 0 [3]  
Gross (loss) profit 0 [3] 0 [3]  
Interest income 9,000 [3] 15,000 [3]  
Interest expense 145,000 [3] 214,000 [3]  
Interest expense - financing fees (23,000) [3] 34,000 [3]  
Depreciation and amortization 26,000 [3] 18,000 [3]  
Segment profit (loss) (1,800,000) [3] (2,005,000) [3]  
Segment assets 28,677,000 [2],[3],[4] 32,741,000 [2],[3],[4]  
Expenditures for segment assets 0 [3] 2,000 [3]  
Total long-term debt, net of current portion $ 11,754,000 [3] $ 13,204,000 [3]  
[1] The following customers accounted for 10% or more of the total revenues generated from continuing operations for the three months ended March 31, 2013 and the corresponding period of 2012: (1) Revenues from CH Plateau Remediation Company ("CHPRC") totaled 6,021,000 or 30.4% and 6,311,000 or 16.6% for the three months ended March 31, 2013 and 2012, respectively; and (2) Revenues generated directly from the U.S. Department of Energy ("DOE") accounted for $3,258,000 or 16.4% and $8,567,000 and 22.6% for the three months ended March 31, 2013 and 2012, respectively.
[2] Segment assets have been adjusted for intercompany accounts to reflect actual assets for each segment.
[3] Amounts reflect the activity for corporate headquarters, not included in the segment information.
[4] Amount includes assets from our discontinued operations of $2,216,000 and $2,358,000 as of March 31, 2013 and 2012, respectively