CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 36,427,468	$ 18,271,352
Accounts receivable, net of allowance for doubtful accounts of $156,000 and $62,000 as of June 30, 2020 and December 31, 2019, respectively	2,610,587	3,661,325
Inventories, net	14,131,540	9,598,030
Prepaid expenses and other current assets	742,908	693,013
TOTAL CURRENT ASSETS	53,912,503	32,223,720
FIXED ASSETS:
Property, plant and equipment, net	7,705,890	5,933,569
Finance lease right-of-use asset, net	258,884	210,350
OTHER ASSETS:
Operating right-of-use assets, net	6,515,282	7,030,744
Intangible assets, net	3,605,194	3,914,352
Goodwill	5,534,624	5,872,690
Deposits and other assets	429,884	543,539
TOTAL ASSETS	77,962,261	55,728,964
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	9,290,887	5,526,243
Deferred revenue	4,097,155	125,000
Finance lease liabilities	55,712	41,894
Operating lease liabilities	776,691	568,294
Note payable	75,708	180,249
TOTAL CURRENT LIABILITIES	14,296,153	6,441,680
OTHER LIABILITIES:
Long-term operating lease liabilities	6,565,019	6,969,603
Long-term finance lease liabilities	210,408	171,953
Long-term debt, less current portion, net	17,903,401	17,644,149
Deferred tax liability	250,326	466,326
TOTAL LIABILITIES	39,225,307	31,693,711
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Preferred stock - 10,000,000 shares authorized; none outstanding	0	0
Common stock - $0.01 par value; 100,000,000 shares authorized; 20,194,832 shares and 17,733,617 shares issued at June 30, 2020 and December 31, 2019, respectively	201,948	177,335
Additional paid-in capital	124,143,171	95,433,077
Accumulated deficit	(84,428,349)	(71,585,003)
Treasury stock - 33,290 and 0 shares at cost, at June 30, 2020 and December 31, 2019, respectively	(150,919)	0
Accumulated other comprehensive (loss) income	(1,028,897)	9,844
TOTAL STOCKHOLDERS' EQUITY	38,736,954	24,035,253
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 77,962,261	$ 55,728,964