Annual report pursuant to Section 13 and 15(d)

Note 5 - Permit and Other Intangible Assets (Details Textual)

v3.6.0.2
Note 5 - Permit and Other Intangible Assets (Details Textual)
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Finite-Lived Intangible Assets, Net $ 1,838,000 $ 2,238,000
Amortization of Intangible Assets $ 448,000 471,000
Medical [Member]    
Number of Permits 0  
Services [Member]    
Number of Permits 0  
PCB Permit [Member]    
Number of Definite-lived Permits 1  
Finite-Lived Intangible Asset, Useful Life 10 years  
Finite-Lived Intangible Assets, Net $ 117,000 $ 172,000