Consolidated Balance Sheets - USD ($)
|
Dec. 31, 2021 |
Dec. 31, 2020 |
| Current assets: |
|
|
| Cash and cash equivalents |
$ 34,688,880
|
$ 4,241,937
|
| Marketable securities |
|
18,386,160
|
| Accounts receivable, net |
438,243
|
270,546
|
| Inventories, net |
1,360,594
|
876,436
|
| Prepaid expenses and other current assets |
1,053,572
|
1,288,588
|
| Total current assets |
37,541,289
|
25,063,667
|
| Less: noncurrent inventory |
3,940,055
|
4,865,181
|
| Property and equipment, net |
146,568
|
244,047
|
| Operating lease right of use assets, net |
613,280
|
517,257
|
| Other assets, net |
591,518
|
828,011
|
| Total assets |
42,832,710
|
31,518,163
|
| Current liabilities: |
|
|
| Accounts payable |
1,543,032
|
2,078,699
|
| Accrued expense and other current liabilities |
3,880,978
|
2,965,702
|
| Notes payable, current |
|
311,354
|
| Current portion of operating lease liabilities |
61,403
|
534,547
|
| Total current liabilities |
5,485,413
|
5,890,302
|
| Operating lease liabilities, noncurrent |
699,463
|
885,333
|
| Note payable, noncurrent |
|
1,097,946
|
| Total liabilities |
6,184,876
|
7,873,581
|
| Commitments and contingencies (Note 17) |
|
|
| Stockholders' equity: |
|
|
| Preferred Stock, par value $0.001 per share; 10,000,000 shares authorized as of December 31, 2021 and December 31, 2020; 0 shares issued and outstanding as of both December 31, 2021 and December 31, 2020 |
|
|
| Common Stock, par value $0.001 per share; 500,000,000 shares authorized as of both December 31, 2021 and 2020; 70,704,123 shares issued and outstanding at December 31, 2021, and 45,559,765 shares issued and outstanding at December 31, 2020 |
70,704
|
45,560
|
| Additional paid-in capital |
160,772,600
|
130,205,027
|
| Accumulated deficit |
(124,208,218)
|
(106,990,148)
|
| Accumulated other comprehensive income (loss) |
12,748
|
(251,467)
|
| Total stockholders' equity |
36,647,834
|
23,008,972
|
| Noncontrolling interest |
|
635,610
|
| Total equity |
36,647,834
|
23,644,582
|
| Total liabilities and stockholders' equity |
$ 42,832,710
|
$ 31,518,163
|