CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 18,271,352	$ 12,524,551
Accounts receivable, net of allowance for doubtful accounts of $62,000 and $42,000 at December 31, 2019 and 2018, respectively	3,661,325	7,373,971
Inventories, net	9,598,030	7,851,222
Prepaid expenses and other current assets	693,013	702,010
TOTAL CURRENT ASSETS	32,223,720	28,451,754
FIXED ASSETS:
Property, plant and equipment, net	5,933,569	2,873,920
Finance lease right-of-use assets, net	210,350	0
OTHER ASSETS:
Operating right-of-use assets, net	7,030,744	0
Intangible assets, net	3,914,352	3,884,831
Goodwill	5,872,690	4,983,127
Deposits and other assets	543,539	717,551
TOTAL ASSETS	55,728,964	40,911,183
CURRENT LIABILITIES:
Accounts payable and accrued liabilities	5,526,243	5,888,681
Deferred revenue	125,000	422,905
Note payable	180,249	207,694
Finance lease liabilities	41,894	0
Operating lease liabilities	568,294	0
TOTAL CURRENT LIABILITIES	6,441,680	6,519,280
OTHER LIABILITIES:
Long-term operating lease liabilities	6,969,603	0
Long-term finance lease liabilities	171,953	0
Note payable	0	171,821
Long-term debt, and debt discount and issuance costs	17,644,149	0
Deferred tax liability	466,326	892,308
TOTAL LIABILITIES	31,693,711	7,583,409
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY:
Preferred stock - 10,000,000 shares authorized; none outstanding	0	0
Common stock - $.01 par value; 100,000,000 shares authorized, 17,733,617 and 17,166,459 shares issued and outstanding at December 31, 2019 and 2018, respectively	177,335	171,664
Additional paid-in capital	95,433,077	90,953,788
Accumulated deficit	(71,585,003)	(57,909,874)
Accumulated other comprehensive income	9,844	112,196
TOTAL STOCKHOLDERS' EQUITY	24,035,253	33,327,774
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 55,728,964	$ 40,911,183