Consolidated Condensed Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current asset:
Cash and cash equivalents	$ 806,245	$ 901,459
Accounts receivable - trade, net of allowances	8,415,106	3,634,726
Inventories, net of reserve	3,418,460	4,214,316
Prepaid expenses and other current assets	1,581,636	1,214,157
Total current assets	14,221,447	9,964,658
Property and equipment, net of accumulated depreciation	209,520	226,409
Intangible assets, net of accumulated amortization	5,776,915	6,352,273
Goodwill	4,723,549	4,723,549
Other assets	302	298
Total assets	24,931,733	21,267,187
Current liabilities:
Accounts payable and accrued expenses	4,683,050	1,883,626
Accounts payable and accrued expenses - related parties	5,110,061	6,009,112
Warranty reserve	779,583	580,236
Short-term debt	6,883,522	2,306,227
Short-term debt - related party	357,668	377,333
Current portion of earn-out payable - related party	288,652	136,667
Deferred revenues - short-term	311,184	938,050
Derivative liabilities	896,095	326,452
Other short-term liabilities	77,896	5,128
Total current liabilities	19,387,711	12,562,831
Deferred revenues - long-term	97,481	134,964
Earn-out payable - related party	98,778	273,333
Long-term debt - related party	162,895	328,000
Long-term debt	1,416,688
Total liabilities	21,163,553	13,299,128
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value, 50,000,000 shares authorized; 167,972 and 250,000 shares issued and outstanding	17	25
Common stock, $0.0001 par value, 200,000,000 shares authorized; 10,849,966 and 10,176,433 Class A shares issued and outstanding, respectively	1,085	1,018
Additional paid-in capital	29,250,838	27,279,931
Subscriptions receivable	(200)	(225)
Accumulated deficit	(25,350,392)	(19,206,271)
Other comprehensive loss	(133,168)	(106,419)
Total stockholders' equity	3,768,180	7,968,059
Total liabilities and stockholders' equity	$ 24,931,733	$ 21,267,187