Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net revenues	$ 2,242,000	$ 4,305,000	$ 5,442,000	$ 7,268,000
Cost of revenues	4,874,000	2,354,000	6,582,000	4,057,000
Gross profit (loss)	(2,632,000)	1,951,000	(1,140,000)	3,211,000
Expenses:
Sales and marketing	442,000	384,000	886,000	725,000
Research and development	578,000	611,000	1,187,000	1,175,000
General and administrative	1,536,000	1,218,000	3,184,000	2,478,000
Total operating expenses	2,556,000	2,213,000	5,257,000	4,378,000
Loss from operations	(5,188,000)	(262,000)	(6,397,000)	(1,167,000)
Other expenses:
Interest expense	(1,314,000)	(1,211,000)	(4,845,000)	(2,343,000)
Other income (expenses)	(8,000)	(2,000)	2,000	(11,000)
Loss on equity method investments			(13,000)
Total other expense	(1,322,000)	(1,213,000)	(4,856,000)	(2,354,000)
Net loss	(6,510,000)	(1,475,000)	(11,253,000)	(3,521,000)
Loss attributable to noncontrolling interests	(73,000)	(178,000)	(214,000)	(354,000)
Net loss attributable to common stockholders	(6,437,000)	(1,297,000)	(11,039,000)	(3,167,000)
Net loss	(6,510,000)	(1,475,000)	(11,253,000)	(3,521,000)
Other comprehensive loss:
Foreign currency translation adjustments gain (loss)	1,000	(3,000)	39,000	(7,000)
Comprehensive loss	(6,509,000)	(1,478,000)	(11,214,000)	(3,528,000)
Comprehensive loss attributable to noncontrollinginterests	(73,000)	(178,000)	(214,000)	(354,000)
Comprehensive loss attributable to common stockholders	$ (6,436,000)	$ (1,300,000)	$ (11,000,000)	$ (3,174,000)
Per share data:
Basic and diluted net loss per common share (in dollars per share)	$ (1.02)	$ (0.47)	$ (2.11)	$ (1.21)
Weighted average common shares outstanding – basic and diluted (in shares)	6,315,566	2,784,776	5,230,921	2,623,989