Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.23.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Product Information [Line Items]    
Cash on hand $ 1,866,000 $ 4,440,000
Finite risk sinking fund 11,570,000 11,471,000
Finance leases assets recorded 1,201,000 2,409,000
Finance leases accumulated depreciation $ 549,000 $ 475,000
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Long-lived asset (net) Long-lived asset (net)
Finance leases net fixed asset $ 652,000 $ 1,934,000
Depreciation expense 1,872,000 1,476,000
Revenue 70,599,000 72,191,000
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Government Clients [Member]    
Product Information [Line Items]    
Revenue $ 60,030,000 $ 60,812,000
Concentration risk percentage 85.00% 84.20%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer One [Member]    
Product Information [Line Items]    
Concentration risk percentage 12.50% 18.20%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer Two [Member]    
Product Information [Line Items]    
Concentration risk percentage 23.00% 23.50%
Minimum [Member] | Receipt [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 9.00%  
Minimum [Member] | Treatment/ Processing [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 40.00%  
Minimum [Member] | Shipment/ Final Disposal [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 9.00%  
Maximum [Member] | Receipt [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 33.00%  
Maximum [Member] | Treatment/ Processing [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 79.00%  
Maximum [Member] | Shipment/ Final Disposal [Member]    
Product Information [Line Items]    
Percentage of revenue recognized 27.00%  
Building [Member] | Minimum [Member]    
Product Information [Line Items]    
Property, plant and equipment, useful life 10 years  
Building [Member] | Maximum [Member]    
Product Information [Line Items]    
Property, plant and equipment, useful life 40 years  
Office Furniture and Equipment [Member] | Minimum [Member]    
Product Information [Line Items]    
Property, plant and equipment, useful life 3 years  
Office Furniture and Equipment [Member] | Maximum [Member]    
Product Information [Line Items]    
Property, plant and equipment, useful life 7 years