Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Allowance for doubtful accounts	$ 11	$ 38
Inventories	771	746
Intangible	112	105
Share based compensation	125	70
Net operating loss carry forward	6,109	5,874
Other	2	1
Total deferred tax assets	7,130	6,834
Deferred tax liabilities:
Depreciation	(60)	(44)
Intangible	(4)	(4)
Pension liability	(1)	(12)
Indefinite life intangibles	(122)	(104)
Total deferred tax liabilities	(187)	(164)
Deferred tax assets gross	6,943	6,670
Valuation allowance	(6,943)	(6,774)
Net		$ (104)