Annual report pursuant to Section 13 and 15(d)

PATENTS (Details)

v3.8.0.1
PATENTS (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Patents Details    
Gross carrying amount $ 7,571,000 $ 6,427,000
Accumulated amortization (5,402,000) (5,196,000)
Patents, net $ 2,169,000 $ 1,231,000