CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 2,571,778	$ 2,568,191
Accounts receivable	914,758	995,683
Other receivable	2,296	6,118
Inventory	2,960,048	3,342,177
Prepaid expenses and other current assets	866,170	1,237,772
Total current assets	7,315,050	8,149,941
Property and equipment, net	745,405	760,617
Operating lease - right-of-use asset	1,077,701
Intangible assets, net	31,288,889	31,710,556
Other assets	235,488	420,831
Total assets	40,662,533	41,041,945
Current liabilities:
Accounts payable	6,563,892	5,414,260
Accrued liabilities	3,980,713	4,939,441
Warrant liability	1,275,443	220,376
Convertible debt - current, net of discount	11,149,944	11,239,170
Operating lease liability - current	521,787
Notes payable, net of discount	1,258,546	4,845,575
Total current liabilities	24,750,325	26,658,822
Operating lease liability - long-term	116,328
Total liabilities	24,866,653	26,658,822
Commitments and contingencies (See Note 6)
Series A convertible preferred stock: $0.0001 par value, 10,000,000 shares authorized at March 31, 2019 and December 31, 2018; 5,524,926 shares issued and outstanding at March 31, 2019 and December 31, 2018; (redemption value and liquidation preference of $12,738,822 and $9,199,002 at March 31, 2019 and December 31, 2018, respectively)	9,000,002	9,000,002
Stockholders' equity:
Additional paid-in capital	109,640,556	99,927,410
Accumulated deficit	(102,854,650)	(94,550,779)
Total stockholders' equity	6,795,878	5,383,121
Total liabilities, convertible preferred stock and stockholders' equity	40,662,533	41,041,945
Common stock - voting
Stockholders' equity:
Common stock value	5,942	2,460
Common stock - non-voting
Stockholders' equity:
Common stock value	$ 4,030	$ 4,030