INVESTMENTS IN PREFERRED STOCK OF PRIVATE COMPANY AND OTHER INVESTMENTS (Details narrative) - USD ($) $ in Thousands	May 23, 2018	Nov. 01, 2017	Dec. 15, 2015	Sep. 30, 2018	Dec. 31, 2017
Other investments				$ 2,140	$ 1,637
Series A1 Preferred Stock Purchase Agreement [Member] | Sandstone Diagnostics, Inc [Member]
Number of shares purchase (in shares)			976,286
Purchase shares value			$ 1,000
Loan And Security Agreement [Member] | I. AM, Inc. [Member]
Authorized non-revolving credit facility		$ 1,600
Maturity date of non-revolving credit facility		Sep. 25, 2022
Securities Purchase Agreements [Member] | I. AM, Inc. [Member]
Outstanding principal value	$ 1,715
Maximum number of shares transfer	$ 471