Consolidated Balance Sheets - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 10,021,394	$ 2,798,744
Other receivables	57,369	55,198
Inventory	2,489,773	1,232,049
Prepaid expenses and other current assets	696,455	391,162
Total current assets	13,264,991	4,477,153
Property, plant and equipment, net	24,562,409	25,065,836
Right of use assets, net	371,292	399,477
Definite-lived intangible assets, net	150,736	157,588
Indefinite-lived intangible assets	101,661	101,661
Other assets	44,306	32,024
Total assets	38,495,395	30,233,739
Current liabilities:
Accounts payable and accrued liabilities	1,764,124	1,462,809
Current lease liabilities and other	63,836	62,286
Current debt	140,288	163,155
Total current liabilities	1,968,248	1,688,250
Lease liability, long-term leases	321,728	352,808
Long-term debt	4,423,028	4,432,052
Total liabilities	6,713,004	6,473,110
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value, 50,000,000 shares authorized; 32,085,684 (2018: 21,635,365) shares outstanding	32,106	21,635
Additional paid-in capital	171,102,440	156,241,363
Accumulated other comprehensive loss	(576,644)	(360,160)
Accumulated deficit	(138,775,511)	(132,142,209)
Total stockholders’ equity	31,782,391	23,760,629
Total liabilities and stockholders’ equity	$ 38,495,395	$ 30,233,739
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized	50,000,000	50,000,000
Common stock, shares outstanding (in shares)	32,105,684	21,635,365