Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 3,141	$ 5,514
Accounts receivable:
Trade, net	856	823
Other	174	150
Prepaid expenses	63	87
Inventory	1,202	1,236
TOTAL CURRENT ASSETS	5,436	7,810
NON-CURRENT ASSETS:
Property, plant and equipment, net	496	547
Operating lease right of use assets	864	937
Fund in respect of employee rights upon retirement	589	586
TOTAL NON-CURRENT ASSETS	1,949	2,070
TOTAL ASSETS	7,385	9,880
Accounts payable and accruals:
Trade	562	646
Other	2,024	2,449
Contract liability	17	20
TOTAL CURRENT LIABILITIES	2,603	3,115
LONG-TERM LIABILITIES-
Operating lease liabilities	544	653
Liability for employees rights upon retirement	761	729
TOTAL LONG-TERM LIABILITIES	1,305	1,382
COMMITMENTS AND CONTINGENT LIABILITIES (Note 8)
TOTAL LIABILITIES	3,908	4,497
EQUITY:
Common stock, par value $0.0001 per share; 150,000,000 shares authorized at March 31, 2020 and December 31, 2019; 4,338,910 and 3,916,134 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively
Additional paid-in capital	163,087	163,015
Accumulated deficit	(159,610)	(157,632)
Total equity	3,477	5,383
Total liabilities and equity	7,385	9,880
Series B Preferred Stock [Member]
EQUITY:
Preferred stock, value
Series C Preferred Stock [Member]
EQUITY:
Preferred stock, value