Summary of Significant Accounting Policies (Tables)
|
12 Months Ended |
Dec. 31, 2020 |
| Accounting Policies [Abstract] |
|
| Schedule of Disaggregation of Revenue |
In the following table, revenue
is disaggregated by primary geographical market, major product line, and timing of revenue recognition.
| In thousands of US dollars ($) |
|
Year Ended
December 31, |
|
| Primary geographical markets |
|
2020 |
|
|
2019 |
|
| North America |
|
|
844 |
|
|
|
1,111 |
|
| Europe |
|
|
88 |
|
|
|
145 |
|
| Asia |
|
|
289 |
|
|
|
554 |
|
| |
|
|
1,221 |
|
|
|
1,810 |
|
| |
|
Year Ended
December 31, |
|
| Major products/services lines |
|
2020 |
|
|
2019 |
|
| Hardware |
|
|
568 |
|
|
|
713 |
|
| Consumables |
|
|
205 |
|
|
|
298 |
|
| Contract research services |
|
|
193 |
|
|
|
543 |
|
| Sample preparation accessories |
|
|
116 |
|
|
|
82 |
|
| Technical support/extended service contracts |
|
|
96 |
|
|
|
116 |
|
| Shipping and handling |
|
|
29 |
|
|
|
41 |
|
| Other |
|
|
14 |
|
|
|
17 |
|
| |
|
|
1,221 |
|
|
|
1,810 |
|
| |
|
Year Ended
December 31, |
|
| Timing of revenue recognition |
|
2020 |
|
|
2019 |
|
| Transferred at a point in time |
|
|
978 |
|
|
|
1,228 |
|
| Transferred over time |
|
|
243 |
|
|
|
582 |
|
| |
|
|
1,221 |
|
|
|
1,810 |
|
|
| Schedule of Contract Balances |
Contract balances
| In thousands of US dollars ($) |
|
December 31, 2020 |
|
|
December 31, 2019 |
|
| Receivables, which are included in ‘Accounts Receivable’ |
|
|
131 |
|
|
|
229 |
|
| Contract liabilities (deferred revenue) |
|
|
67 |
|
|
|
41 |
|
|
| Schedule of Future Related to Performance Obligations |
The following table includes
estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied)
at the end of the reporting period.
| In thousands of US dollars ($) |
|
2021 |
|
|
2022 |
|
|
Total |
|
| Extended warranty service |
|
|
47 |
|
|
|
20 |
|
|
|
67 |
|
|
| Schedule of Inventories |
The composition of inventory
as of December 31, is as follows:
| |
|
2020 |
|
|
2019 |
|
| Raw materials |
|
$ |
217,682 |
|
|
$ |
167,189 |
|
| Finished goods |
|
|
717,581 |
|
|
|
793,023 |
|
| Inventory reserve |
|
|
(342,496 |
) |
|
|
(342,496 |
) |
| Total |
|
$ |
592,767 |
|
|
$ |
617,716 |
|
|
| Schedule of Customer Concentration Risk Percentage |
The following table illustrates
the level of concentration of the below two groups within revenue as a percentage of total revenues during the years ended December 31:
| |
|
2020 |
|
|
2019 |
|
| Top Five Customers |
|
|
33 |
% |
|
|
41 |
% |
| Federal Agencies |
|
|
4 |
% |
|
|
12 |
% |
The following table illustrates
the level of concentration of the below two groups within accounts receivable as a percentage of total accounts receivable balance as
of December 31:
| |
|
2020 |
|
|
2019 |
|
| Top Five Customers |
|
|
89 |
% |
|
|
83 |
% |
| Federal Agencies |
|
|
10 |
% |
|
|
17 |
% |
|
| Schedule of Computation of Loss Per Share |
The following table illustrates
our computation of loss per share for the years ended December 31:
| |
|
2020 |
|
|
2019 |
|
| Numerator: |
|
|
|
|
|
|
| Net loss attributable to common shareholders |
|
$ |
(17,584,710 |
) |
|
$ |
(15,868,083 |
) |
| |
|
|
|
|
|
|
|
|
| Denominator for basic and diluted loss per share: |
|
|
|
|
|
|
|
|
| Weighted average common shares outstanding |
|
|
3,304,187 |
|
|
|
1,987,606 |
|
| |
|
|
|
|
|
|
|
|
| Loss per common share - basic and diluted |
|
$ |
(5.32) |
|
|
$ |
(7.98 |
) |
|
| Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share |
For all periods presented, the
potentially dilutive securities were not included in the computation of diluted loss per share because these securities would have been
anti-dilutive for the years ended December 31:
| |
|
2020 |
|
|
2019 |
|
| Stock options |
|
|
1,355,901 |
|
|
|
1,396,302 |
|
| Convertible debt |
|
|
4,474,868 |
|
|
|
2,351,493 |
|
| Common stock warrants |
|
|
14,434,702 |
|
|
|
9,893,034 |
|
| Convertible preferred stock: |
|
|
|
|
|
|
|
|
| Series D Convertible Preferred |
|
|
25,000 |
|
|
|
25,000 |
|
| Series G Convertible Preferred |
|
|
26,857 |
|
|
|
26,857 |
|
| Series H Convertible Preferred |
|
|
33,334 |
|
|
|
33,334 |
|
| Series H2 Convertible Preferred |
|
|
70,000 |
|
|
|
70,000 |
|
| Series J Convertible Preferred |
|
|
115,267 |
|
|
|
115,267 |
|
| Series K Convertible Preferred |
|
|
229,334 |
|
|
|
229,334 |
|
| Series AA Convertible Preferred |
|
|
8,043,000 |
|
|
|
7,939,000 |
|
| |
|
|
28,808,263 |
|
|
|
22,079,621 |
|
|
| Summary of Assumptions for Grants of Stock Options |
The following table summarizes
the assumptions we utilized for grants of stock options to the three sub-groups of our stock option recipients during the year ended December
31, 2019 (there were no option grants in the year ended December 31, 2020):
| Assumptions |
|
Non-Employee
Board Members |
|
|
|
CEO, other
Officers and Employees |
|
| Expected life |
|
|
6.0(yrs |
) |
|
|
6.0(yrs |
) |
| Expected volatility |
|
|
150.07 |
% |
|
|
150.07%-157.28 |
% |
| Risk-free interest rate |
|
|
1.73 |
% |
|
|
1.73%-1.79 |
% |
| Forfeiture rate |
|
|
5.00 |
% |
|
|
5.00 |
% |
| Expected dividend yield |
|
|
0.0 |
% |
|
|
0.0 |
% |
|
| Schedule of Stock Based Compensation Expense |
The following table summarizes
the effect of this stock-based compensation expense within each of the line items within our accompanying consolidated statements of operations
for the years ended December 31:
| |
|
2020 |
|
|
2019 |
|
| Research and development |
|
$ |
141,202 |
|
|
$ |
171,928 |
|
| Selling and marketing |
|
|
34,142 |
|
|
|
86,319 |
|
| General and administrative |
|
|
313,448 |
|
|
|
859,030 |
|
| Total stock-based compensation expense |
|
$ |
488,792 |
|
|
$ |
1,117,277 |
|
|
| Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis |
The following tables set forth the Company’s
financial assets and liabilities that were accounted for at fair value on a recurring basis as of December 31, 2020:
| |
|
|
|
|
Fair value measurements at
December 31, 2020 using:
|
|
| |
|
December 31, 2020 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
| Equity Securities |
|
$ |
517,001 |
|
|
$ |
517,001 |
|
|
|
- |
|
|
|
- |
|
| Total Financial Assets |
|
$ |
517,001 |
|
|
$ |
517,001 |
|
|
$ |
- |
|
|
$ |
- |
|
The following tables set forth
the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis as of December 31, 2019:
| |
|
|
|
|
Fair value measurements at
December 31, 2019 using:
|
|
| |
|
December 31, 2019 |
|
|
Quoted
prices in
active
markets
(Level 1)
|
|
|
Significant
other
observable
inputs
(Level 2)
|
|
|
Significant
unobservable
inputs
(Level 3)
|
|
| Equity Securities |
|
|
16,643 |
|
|
|
16,643 |
|
|
|
- |
|
|
|
- |
|
| Total Financial Assets |
|
$ |
16,643 |
|
|
$ |
16,643 |
|
|
$ |
- |
|
|
$ |
- |
|
|