Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net revenues	$ 2,355,000	$ 4,058,000	$ 7,797,000	$ 11,325,000
Cost of revenues	844,000	2,163,000	7,426,000	6,220,000
Gross profit	1,511,000	1,895,000	371,000	5,105,000
Expenses:
Sales and marketing	539,000	502,000	1,424,000	1,227,000
Research and development	750,000	584,000	1,937,000	1,758,000
General and administrative	1,305,000	1,139,000	4,489,000	3,617,000
Total operating expenses	2,594,000	2,225,000	7,850,000	6,602,000
Loss from operations	(1,083,000)	(330,000)	(7,479,000)	(1,497,000)
Other income (expenses):
Interest expense	(1,531,000)	(1,188,000)	(6,377,000)	(3,531,000)
Loss on equity method investments			(13,000)
Loss on extinguishment of debt		(840,000)		(840,000)
Other income (expense)	5,000	(15,000)	7,000	(27,000)
Total other expense	(1,526,000)	(2,043,000)	(6,383,000)	(4,398,000)
Net loss	(2,609,000)	(2,373,000)	(13,862,000)	(5,895,000)
Loss attributable to noncontrolling interests	(146,000)	(91,000)	(360,000)	(445,000)
Net loss attributable to common stockholders	(2,463,000)	(2,282,000)	(13,502,000)	(5,450,000)
Net loss	(2,609,000)	(2,373,000)	(13,862,000)	(5,895,000)
Other comprehensive loss:
Foreign currency translation adjustments gain (loss)	(19,000)	16,000	20,000	9,000
Comprehensive loss	(2,628,000)	(2,357,000)	(13,842,000)	(5,886,000)
Comprehensive loss attributable to noncontrolling interests	(146,000)	(91,000)	(360,000)	(445,000)
Comprehensive loss attributable to common stockholders	$ (2,482,000)	$ (2,266,000)	$ (13,482,000)	$ (5,441,000)
Per share data:
Basic and diluted net loss per common share (in dollars per share)	$ (0.37)	$ (0.78)	$ (2.36)	$ (2)
Weighted average common shares outstanding basic and diluted (in shares)	6,711,664	2,913,198	5,728,105	2,720,502