Summary of Significant Accounting Policies (Details Narrative)	12 Months Ended
Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Cash federally insured amount	$ 250,000
Depreciation	918,000	$ 1,831,000
Amortization	2,035,000	2,598,000
Warranty reserve	325,000	507,000	$ 182,000
Increase in warranty reserve	23,000	550,000
Shipping and handling costs	774,000	886,000
Impairment charges	400,000	0
Advertising costs	$ 82,000	$ 542,000
Foreign exchange transaction rate	1.00	1.00
Foreign exchange transactions average rate	1.00	1.00
GBP [Member]
Foreign exchange transaction rate	1.2734340	1.3491240
Foreign exchange transactions average rate	1.3347667	1.2936987
Software [Member]
Finite-lived intangible asset, useful life	5 years
Amortization	$ 268,000	$ 923,000
Patents and Licenses [Member]
Amortization	664,000	664,000
Other Intangible Assets [Member]
Amortization	1,103,000	1,011,000
Intangible assets capitalized value	$ 0	$ 3,620,000
Maximum [Member]
Estimated useful life	10 years
Maximum [Member] \| Patents and Licenses [Member]
Finite-lived intangible asset, useful life	20 years
Maximum [Member] \| Other Intangible Assets [Member]
Finite-lived intangible asset, useful life	15 years
Minimum [Member]
Estimated useful life	1 year
Minimum [Member] \| Patents and Licenses [Member]
Finite-lived intangible asset, useful life	18 years 6 months
Minimum [Member] \| Other Intangible Assets [Member]
Finite-lived intangible asset, useful life	3 years
Sales Revenue, Net [Member] \| One Customer [Member]
Concentration risk percentage	10.00%	10.00%
Concentration risk amount		$ 5,535,000
Sales Revenue, Net [Member] \| One Customer [Member] \| Maximum [Member]
Concentration risk percentage		12.00%
Accounts Receivable [Member] \| Customer [Member]
Concentration risk percentage	10.00%
Accounts Receivable [Member] \| Two Customers [Member]
Concentration risk percentage		33.00%
Accounts Receivable [Member] \| Customer One [Member]
Concentration risk percentage		20.00%
Concentration risk amount		$ 1,634,000
Accounts Receivable [Member] \| Customer Two [Member]
Concentration risk percentage		13.00%
Concentration risk amount		$ 1,073,000

Cost incurred during the period in shipping and handling goods and services to customers.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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Carrying amount of total assets less total liabilities of a designated geographic area if disclosed as a concentration risk.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Foreign exchange rate used to remeasure amounts denominated in a currency other than functional currency into functional currency.

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Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Amount of increase in the standard and extended product warranty accrual from a business acquisition.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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