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Revenue (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Revenue	$ 1,377	$ 1,230	$ 2,704	$ 2,439
Other current assets	144		144		$ 144
Capitalized Sales Commissions [Member]
Other current assets	68		68		76
Other assets	$ 74		74		$ 67
Other Revenue Related to Accessories, Repairs and Other Miscellaneous Charges [Member]
Revenue			$ 215

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