Consolidated Statements of Cash Flows (unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net loss	$ (9,441,000)	$ (5,162,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	333,000	44,000
Accretion of debt discount	461,000	194,000
Provision for bad debts	58,000	37,000
Stock-based compensation	270,000	2,938,000
Promissory notes fair value adjustment		397,000
Provision for obsolete inventory	(160,000)	(8,000)
Mark-to-market of investment security	(9,000)
(Increase) decrease in:
Trade accounts receivable	7,359,000	2,967,000
Accounts receivable related parties		(3,744,000)
Other accounts receivable	3,987,000	(10,000)
Inventory	2,564,000	(134,000)
Prepaid assets	830,000	(7,000)
Other assets	251,000
(Decrease) increase in:
Accounts payable	(9,379,000)	(3,228,000)
Accrued expenses	265,000	1,222,000
Net cash used in operating activities	(2,611,000)	(4,494,000)
Cash flows used in investing activities:
Purchase of property and equipment	(424,000)	(3,000)
Purchase of intangible assets		(2,000)
Purchase of investment securities	(355,000)
Increase in restricted cash	(1,004,000)
Cash acquired in acquisition of Cooltech Canada	21,000
Acquisition of Unitron assets, net of cash acquired	(1,432,000)
Cash acquired in reverse merger with Cooltech	1,264,000
Net cash used in investing activities	(1,930,000)	(5,000)
Cash flows from financing activities:
Proceeds from issuance of notes payable	3,255,000	2,170,000
Payment of notes payable	(2,014,000)	(2,998,000)
Subscriptions payable	1,220,000
Sale of common stock, net of offering costs	3,585,000	4,641,000
Non-controlling interest in subsidiary		4,000
Net cash provided by financing activities	6,046,000	3,817,000
Effect of exchange rate changes on cash	(851,000)
Net increase (decrease) in cash and cash equivalents	654,000	(682,000)
Cash and cash equivalents, beginning of period	346,000	736,000
Cash and cash equivalents, end of period	1,000,000	54,000
Cash paid for interest	144,000	$ 90,000
Non-cash financing activities:
Conversion of notes payable to related parties to equity	2,839,000
Conversion of notes payable to equity	8,180,000
Conversion of accrued interest to equity	426,000
Conversion of accounts payable to equity	$ 1,023,000