XML 32 R22.htm IDEA: XBRL DOCUMENT v3.21.1
Basis of Presentation and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]  
Disaggregation of revenue
The following table provides a disaggregation of product net sales for the periods presented (in thousands):

Three months ended
March 31,
 20212020
Net sales:  
Commercial$913 $1,736 
MMM products1,724 2,047 
Total net sales$2,637 $3,783 
Reconciliation of basic and diluted income (loss) per share
The following table presents a reconciliation of basic and diluted loss per share computations (in thousands):

Three months ended
March 31,
 20212020
Numerator:  
Net loss$(1,642)$(541)
  
Denominator:
Basic weighted average shares of common stock outstanding *3,612 3,086 
   * Shares outstanding for prior periods have been restated for the 1-for-5 stock split effective June 11, 2020.
Schedule of warranty activity
The following table summarizes warranty activity for the periods presented (in thousands):

Three months ended
March 31,
20212020
Balance at beginning of period$227 $195 
Warranty accruals for current period sales17 
Adjustments to existing warranties14 44 
In kind settlements made during the period(19)(6)
Accrued warranty reserve at end of period$239 $240 
Schedule of Assets and Liabilities Measured on Recurring Basis
The following table provides a summary of the financial assets and liabilities measured at fair value on a recurring basis as of March 31, 2020 (in thousands):

Fair Value Measurements at March 31, 2020 Using
Balance as ofQuoted Prices in Active Markets for Identical Assets
 (Level 1)
Significant Other Observable Inputs
(Level 2)
Significant Unobservable Inputs
 (Level 3)
DescriptionMarch 31, 2020
Warrant liabilities$763 $— $— $763 
Schedule of valuation assumptions
The following inputs were used at March 31, 2020:

ExpectedRisk-FreeExpected
VolatilityInterest RateLife
Warrants with greater than one-year remaining term
97.05%
0.34% - 0.36%
4.29 - 4.79 years
Level 3 Fair Value Reconciliation
A roll-forward of fair value measurements using significant unobservable inputs (Level 3) for the warrants is as follows (in thousands):
Three months ended March 31, 2020
Balance January 1, 2020$— 
Issuance of warrants, January 20201,636 
Gain from change in fair value of warrants(873)
Balance March 31, 2020$763