Nature Of Operations And Summary Of Significant Accounting Policies (Narrative) (Details)	3 Months Ended					12 Months Ended
	Mar. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2017 USD ($)
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Number of operating subsidiaries | item	2
Cash and cash equivalents	$ 459,000	$ 991,000			$ 3,015,000	$ 991,000		$ 397,000
Working capital	1,100,000
Net cash used in (provided by) operating activities	1,070,000				71,000
Net loss	(796,000)	(822,000)	$ (425,000)	$ (363,000)	(469,000)
Allowances for doubtful accounts	69,000	$ 40,000				40,000
Impairment losses	0					$ 0
Revenue	2,824,000				2,837,000
Slotting fees and promotion allowances	$ 328,000				259,000
Customers payment from receipt of invoice period	30 days
Lease liability	$ 96,000
Right of use lease asset	91,000
ASC Topic 842 [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Lease liability							$ 124,000
Right of use lease asset							$ 116,000
Shipping and Handling [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Revenue	$ 32,000				$ 39,000
Maximum [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Discounts for certain customers for payments made within 15 days	200.00%
Loan Facility [Member] | CapitalSource [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Maximum borrowing capacity	$ 3,200,000
Loan Facility [Member] | CapitalSource [Member] | Accounts Receivable And Inventory [Member]
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]
Maximum borrowing capacity	3,200,000
Current borrowing capacity	1,800,000
Amount drawn	$ 952,000