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Debt Agreements (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jun. 03, 2021
Jan. 15, 2021
Dec. 08, 2020
Jul. 07, 2020
Jul. 02, 2020
Mar. 06, 2020
Mar. 05, 2020
Nov. 07, 2019
Sep. 11, 2019
May 27, 2021
Jan. 29, 2021
Jan. 26, 2021
Nov. 24, 2020
Aug. 21, 2020
Apr. 30, 2020
Mar. 19, 2020
Feb. 26, 2020
Nov. 30, 2019
Sep. 24, 2019
Apr. 30, 2019
Aug. 31, 2016
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
May 29, 2020
Dec. 31, 2019
Oct. 31, 2017
Debt Agreements (Details) [Line Items]                                                          
Debt instrument maturity date           Feb. 16, 2023                                              
Principal amount           $ 87,000           $ 450,000                     $ 67,000       $ 0.29    
Debt instrument interest rate           3.00%         10.00%                               12.00%    
Aggregate principal amount outstanding loan                                             2,000,000.0            
Aggregate principal amount outstanding           $ 33,000         $ 1,500,000                       83,000            
Secured loan agreement, description           the Company assumed a secured loan with FirstBank in the principal amount of $0.98 million that bore interest at 5% per annum, with a maturity date of June 1, 2020. This loan was subsequently extended to September 15, 2020 and the interest rate was increased to 36% per annum for any principal balance remaining unpaid past the extended maturity date. The loan was secured by certain assets of the subsidiary. This loan was subjected to covenants, whereby the subsidiary was required to meet certain financial and non-financial covenants at the end of each fiscal year. As of December 31, 2020, an aggregate principal amount of $0.86 million was outstanding and past due under this loan.                                              
Loan converted into common stock, decription   in connection with its acquisition of the new manufacturing facility in Tucson, Arizona, a subsidiary entered into a secured loan agreement pursuant to which it received a loan in the amount of up to $5.36 million that bears interest on the outstanding loan balance at the greater of (i) 8% per annum or (ii) 6.75% per annum in excess of the 1-month LIBOR rate, and matures on January 15, 2022. At the closing of the loan, the lender withheld $0.51 million of the loan amount as an interest reserve. In addition, $0.88 million of the loan amount was withheld and may be disbursed at later dates to pay for lender-approved improvements to the property secured by the loan. Interest is payable monthly. The loan is due in full at maturity. Upon an event of default, the interest rate on the loan will increase by an additional 5.00% per annum, and the outstanding principal amount of the loan, accrued interest thereon and fees may become due on-demand. Upon the maturity date or earlier date upon which the unpaid balance of the loan may become immediately payable due to acceleration, and on any prepayments of the loan, the subsidiary will owe an exit fee equal to the greater of (a) $54 thousand, or (b) 1.00% of the unpaid loan balance and all unpaid accrued interest and fees. Subject to certain terms and conditions and upon payment of a fee, the subsidiary may request a six-month extension of the maturity date. The loan is secured by the land, building and certain other assets of the subsidiary and is guaranteed by the Company and Daniel L. Hodges, the Company’s Chief Executive Officer. In addition, all rights to leases and rent related to the land and building assets have been assigned to the lender for potential non-performance by the subsidiary of its obligations under the loan. This loan is subject to certain financial and non-financial covenants on the part of the subsidiary at the end of each fiscal quarter and fiscal year. The Company incurred debt issuance costs for transaction in the amount of $0.16 million. As of June 30, 2021, an aggregate principal amount of $4.48 million was outstanding under this loan.                   $1.0 million of the principal amount of this loan and all accrued interest with a combined total of $1.23 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 295,674 shares of common stock, along with warrants to purchase up to 295,674 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026. The extinguishment on January 26, 2021 cured all events of default. As of June 30, 2021, an aggregate principal amount of $1.0 million was outstanding under this loan.                                  
Loan interest rate                                           5.00%              
Accrued interest percentage                                       10.00%   18.00%     10.00%        
Interest rate percentage                                       15.00%         15.00%        
Aggregate amount                                             $ 500,000            
Debt discount amount                                                     $ 40    
Principal bonus percentage                       10.00%                                  
Accrued interest                       $ 890,000                                  
Extinguished rate (in Dollars per share)                       $ 4.15                                  
Common stock, shares issued (in Shares)                       213,496                   71,541,070 49,444,689            
Purchase of common stock shares (in Shares)                       213,496                                  
Purchase price per share (in Dollars per share)                       $ 4.50                                  
Debt instrument description                         The principal amounts of the notes were between $50 thousand and $100 thousand. The notes had maturity dates between January 31, 2021 and February 23, 2021 that bore interest at a rate of 15% per annum, with interest accrued at an annually-compounded rate of 18% per annum for any principal balance remaining unpaid past the maturity date. Daniel L. Hodges, the Company’s Chief Executive Officer, transferred a total of 38,334 shares of his personally owned, issued and outstanding common stock, with a fair value of $0.26 million, to the accredited investors, as part of this transaction. The Company accounted for this as a contribution from Mr. Hodges and as debt discounts and issuance costs. The Company defaulted on these notes during the 2020 fiscal year, causing the interest rate to increase to an annually-compounded rate of 18% per annum, and the note and accrued interest to become due on-demand. The amounts recorded as debt discounts were fully amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations during the 2020 fiscal year. As of December 31, 2020, an aggregate principal amount of $0.55 million was outstanding under these notes. On January 26, 2021, $0.5 million of the aggregate principal amount of these notes, a 10% principal bonus, and accrued interest with a combined total of $0.57 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 136,324 shares of common stock, along with warrants to purchase up to 136,324 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026. The remaining $50 thousand aggregate principal amount of these notes was fully repaid during fiscal 2021.                                
Debt instrument maturity period, description the Company issued to the seller, who became an employee of the Company, a convertible promissory note in the principal amount of $0.6 million that bears interest at the rate of 5% per annum, maturing on June 3, 2022. Accrued interest and principal is due at maturity. Commencing December 3, 2021, the outstanding principal and accrued interest on this note may be converted into shares of the Company’s common stock at an initial conversion price of $2.35 per share, subject to certain terms, conditions and adjustments. As of June 30, 2021, the full principal amount of $0.6 million of this note was outstanding.Senior Convertible Promissory Note On May 27, 2021, the Company sold a senior secured convertible promissory note in the principal amount of $11.0 million with an original issue discount of $1.0 million bearing an interest rate of 6% per annum that matures on May 27, 2023 and is subject to certain restrictive covenants. This note is convertible at any time following the earlier of the 6-month anniversary of the date of issuance or the date of effectiveness of a registration statement covering the applicable conversion shares at a conversion price of $4.50, subject to adjustment. The Company also issued to the buyer warrants to purchase up to 1,8200,000 shares of common stock with an exercise price of $4.50 per share, subject to adjustment, any time prior to May 27, 2026, and a grant date fair value of $0.505 per share. The Company also paid aggregate cash debt issuance costs of $0.69 million. The resulting aggregate debt discount recorded by the Company amounted to $2.6 million. Principal payments of $0.61 million plus interest are required to be paid monthly commencing six months after the date of issuance. This note is guaranteed by each of the Company’s subsidiaries and is secured by a first priority lien on all of the assets and properties of the Company and the assets and properties of its subsidiaries, subject only to the liens securing approximately $1.0 million principal amount of outstanding indebtedness of one of its subsidiaries. As of June 30, 2021, an aggregate principal amount of $11.0 million was outstanding.      the Company sold a convertible promissory note in the principal amount of $0.29 million with an original issue discount of $36 thousand that bore interest at a rate of 12.5% per annum, and warrants to purchase 52,910 shares of common stock. Warrants to purchase up to 9,260 shares of common stock were also issued to an unrelated third-party as a placement fee for the transaction. Terms and maturities are similar to the April 29, 2020 note, as disclosed in the Company’s Annual Report on Form 10-K. In connection with this note, the Company recognized debt discounts of $0.22 million. On July 28, 2020, the Company defaulted on this note by not filing a registration statement under the Securities Act by July 28, 2020. As a result, the aggregate principal balance increased by penalties and interest of $88 thousand. In addition, the interest rate was increased to 24% per annum, and the note and accrued interest became due on demand. As of December 31, 2020, there was an aggregate principal amount of $0.37 million outstanding and past due under this note. On January 22, 2021, the note holder converted the full principal of $0.37 million and all accrued interest with a combined total of $0.42 million into 155,013 shares of common stock. the Company sold $1.0 million aggregate principal amount of 9% Senior Convertible Debentures to an accredited investor that bore interest at a rate of 9% per annum and a maturity date of September 30, 2020, subsequently extended to November 30, 2020. Accrued interest and principal were due at maturity, with interest paid in cash or, at the Company’s option, in shares of common stock at the conversion price of $3.00 per share. Upon an event of default, the interest rate would automatically increase to 15% per annum. The debentures were convertible into shares of the Company’s common stock at a conversion price of $3.00 per share. The Company also issued warrants to purchase 33,334 shares of common stock that are exercisable for a purchase price of $3.00 per share, at any time on or prior to the earlier of December 31, 2022 or the second anniversary of the Company’s consummation of a public offering of its common stock in connection with an up-listing of the common stock to a national securities exchange. In connection with these debentures, the Company recorded total debt discounts of $0.16 million. Amounts recorded as debt discounts were fully amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations during the 2020 fiscal year, as a result of the debentures becoming due on demand from the default event. As of December 31, 2020, an aggregate principal amount of $1.0 million was outstanding and past due under these debentures. On January 26, 2021, the holder of these debentures converted the principal amount of $0.9 million into 300,000 shares of common stock. The remaining principal amount of $0.1 million and accrued interest with a combined total of $0.16 million, was fully extinguished on January 26, 2021 at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 38,713 shares of common stock of the Company, along with warrants to purchase up to 38,713 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026.         the Company sold a senior secured convertible promissory note in the principal amount of $11.0 million with an original issue discount of $1.0 million bearing an interest rate of 6% per annum that matures on May 27, 2023 and is subject to certain restrictive covenants. This note is convertible at any time following the earlier of the 6-month anniversary of the date of issuance or the date of effectiveness of a registration statement covering the applicable conversion shares at a conversion price of $4.50, subject to adjustment. The Company also issued to the buyer warrants to purchase up to 1,8200,000 shares of common stock with an exercise price of $4.50 per share, subject to adjustment, any time prior to May 27, 2026, and a grant date fair value of $0.505 per share. The Company also paid aggregate cash debt issuance costs of $0.69 million. The resulting aggregate debt discount recorded by the Company amounted to $2.6 million. Principal payments of $0.61 million plus interest are required to be paid monthly commencing six months after the date of issuance. This note is guaranteed by each of the Company’s subsidiaries and is secured by a first priority lien on all of the assets and properties of the Company and the assets and properties of its subsidiaries, subject only to the liens securing approximately $1.0 million principal amount of outstanding indebtedness of one of its subsidiaries. As of June 30, 2021, an aggregate principal amount of $11.0 million was outstanding. the Company issued to the sellers $1.5 million aggregate principal amount of term promissory notes. The individual principal amounts of the notes ranged from $1 thousand to $393 thousand. These notes bore interest at the rate of 10% per annum and matured on the earlier of (i) January 1, 2022, (ii) the date on which an aggregate of $6.0 million worth of products and services are sold following the acquisition date by (A) Fastback or (B) the Company and its subsidiaries (other than Fastback) to certain specified Fastback customers, or (iii) the date on which the Company issues and sells shares of its common stock or debt securities to investors in a bona-fide arms-length financing transaction for aggregate consideration of at least $12.0 million. Interest was payable in cash semi-annually in arrears on each June 1 and December 1, commencing on June 1, 2021, and on the maturity date. Principal and any unpaid accrued interest was due on the maturity date. These notes matured on February 10, 2021 upon the Company’s closing of a public offering, as disclosed in Note 15- Stockholders’ Equity. However, the representative of the Fastback sellers requested that the Company withhold payment of principal and interest on these notes until a dispute among such sellers could be resolved. As payment was withheld at the request of the sellers’ representative, no event of default occurred and interest was accrued only through the maturity date. These notes were fully repaid during fiscal 2021.Various subsidiaries of the Company received loan proceeds or the Company assumed in conjunction with various acquisitions an aggregate amount of $0.77 million under the Paycheck Protection Program (“PPP”). The PPP loans have maturity dates ranging from two to five years and an interest rate of 1% per annum. The PPP, established as part of the Coronavirus Aid, Relief and Economic Security Act (“CARES Act”), provides for loans to qualifying businesses for amounts up to 2.5 times of the average monthly payroll expenses of the qualifying business. The loans and accrued interest are forgivable pursuant to section 1106 of the CARES Act, after a period of up to 24 weeks, as long as the borrower uses the loan proceeds for eligible purposes, including payroll, benefits, rent and utilities, and maintains its payroll levels. The amount of loan forgiveness shall be calculated in accordance with the requirements of the PPP, including the provisions of Section 1106 of the CARES Act, although no more than 40 percent of the amount forgiven can be attributable to non-payroll costs. Further, the amount of loan forgiveness will be reduced if the borrower terminates employees or reduces salaries during the period of up to 24 weeks. During the six months ended June 30, 2021, an aggregate of $0.32 million of these notes has been forgiven. This forgiveness was recorded as a gain on extinguishment of debt in the Condensed Consolidated Statement of Operations. As of June 20, 2021 and December 31, 2020, an aggregate principal amount of $0.45 million and $0.58 million, respectively, was outstanding under these loans. As described in Note 19 – Subsequent Events, an additional $0.1 million of these notes was forgiven subsequent to June 30, 2021. In connection with the acquisition of a subsidiary by the Company on April 1, 2021, the Company assumed two notes payable with aggregate principal balances of $0.3 million. These notes bore interest at 6% and were paid in full immediately following the completion of the acquisition by the Company.  Senior Debentures In connection with previous acquisitions of two subsidiaries, the Company assumed the obligations of the seller of $0.1 million aggregate principal amount of 8% Senior Convertible Debentures of the seller that bore interest at the rate of 8% per annum and matured on December 31, 2019. Interest was payable semi-annually in cash or, at the seller’s option, in shares of the seller’s common stock at the conversion price that was equal to the lesser of (1) $24.00 or (2) 80% of the common stock price offered under the next equity offering. On April 30, 2020, these debentures were modified to remove the conversion feature and only have settlement through cash. During fiscal 2020, these debentures became past due and interest accrued at a rate of 15% per annum. As of December 31, 2020, an aggregate principal amount of $84 thousand was outstanding under these debentures. The aggregate principal amount of this debenture was fully repaid during fiscal 2021. Convertible Notes Payable On July 7, 2020, the Company sold a convertible promissory note in the principal amount of $0.29 million with an original issue discount of $36 thousand that bore interest at a rate of 12.5% per annum, and warrants to purchase 52,910 shares of common stock. Warrants to purchase up to 9,260 shares of common stock were also issued to an unrelated third-party as a placement fee for the transaction. Terms and maturities are similar to the April 29, 2020 note, as disclosed in the Company’s Annual Report on Form 10-K. In connection with this note, the Company recognized debt discounts of $0.22 million. On July 28, 2020, the Company defaulted on this note by not filing a registration statement under the Securities Act by July 28, 2020. As a result, the aggregate principal balance increased by penalties and interest of $88 thousand. In addition, the interest rate was increased to 24% per annum, and the note and accrued interest became due on demand. As of December 31, 2020, there was an aggregate principal amount of $0.37 million outstanding and past due under this note. On January 22, 2021, the note holder converted the full principal of $0.37 million and all accrued interest with a combined total of $0.42 million into 155,013 shares of common stock. On August 21, 2020, the Company sold a convertible promissory note in the principal amount of $1.7 million with an original issue discount of $0.2 million that bore interest at a rate of 5.0% per annum and matured on November 20, 2020. Accrued interest and principal were due on the maturity date. Upon maturity, the interest rate automatically increased to the lesser of 18% per annum or the maximum amount permitted by applicable law on any unpaid principal and accrued interest. Following the maturity date, the note was convertible into shares of common stock at a conversion price equal to 65% of the lowest volume weighted average price of the common stock during the 20 consecutive trading days immediately preceding the conversion date. As additional consideration for the loan, the Company issued to the lender 133,334 shares of common stock at a fair value of $10.05 per share. Warrants to purchase up to 17,857 shares of common stock that are exercisable for a purchase price of $8.40 per share at any time on or prior to August 20, 2025, were also issued to an unrelated third-party as a placement fee for the transaction. In connection with these transactions, the Company recognized aggregate debt discounts of $1.73 million. On November 21, 2020, the Company defaulted on this note by not repaying the principal and accrued interest by the maturity date, which resulted in the aggregate principal balance increasing by penalties and interest of $0.54 million. In addition, the interest rate was increased to 24% per annum. As of December 31, 2020, an aggregate principal amount of $2.24 million was outstanding and past due under this note. The aggregate principal amount of this note was fully repaid during fiscal 2021.In connection with its acquisition a subsidiary on January 29, 2021, the Company issued to the sellers $11.15 million aggregate principal amount of convertible promissory notes. The individual principal amounts of the notes ranged from $6 thousand to $5.58 million. These notes initially bear interest at the rate of 1.01% per annum, which is to be adjusted to the prime rate as published by the Wall Street Journal on each annual anniversary of the issuance date, and mature on January 29, 2026. Interest is payable in cash annually in arrears on each January 1. Commencing on January 29, 2022, the outstanding principal and accrued interest on these notes may be converted in full to shares of the Company’s common stock at a conversion price of $5.22 per share, subject to adjustment. Upon an event of default, the interest rate will automatically increase to 15% per annum compounded annually, and all unpaid principal and accrued interest may become due on-demand. Principal and any unpaid accrued interest are due on the maturity date. Upon maturity, the interest rate will automatically increase to 15% per annum compounded annually on any unpaid principal. As of June 30, 2021, an aggregate principal amount of $11.15 million was outstanding.      the Company sold a convertible promissory note in the principal amount of $1.7 million with an original issue discount of $0.2 million that bore interest at a rate of 5.0% per annum and matured on November 20, 2020. Accrued interest and principal were due on the maturity date. Upon maturity, the interest rate automatically increased to the lesser of 18% per annum or the maximum amount permitted by applicable law on any unpaid principal and accrued interest. Following the maturity date, the note was convertible into shares of common stock at a conversion price equal to 65% of the lowest volume weighted average price of the common stock during the 20 consecutive trading days immediately preceding the conversion date. As additional consideration for the loan, the Company issued to the lender 133,334 shares of common stock at a fair value of $10.05 per share. Warrants to purchase up to 17,857 shares of common stock that are exercisable for a purchase price of $8.40 per share at any time on or prior to August 20, 2025, were also issued to an unrelated third-party as a placement fee for the transaction. In connection with these transactions, the Company recognized aggregate debt discounts of $1.73 million. On November 21, 2020, the Company defaulted on this note by not repaying the principal and accrued interest by the maturity date, which resulted in the aggregate principal balance increasing by penalties and interest of $0.54 million. In addition, the interest rate was increased to 24% per annum. As of December 31, 2020, an aggregate principal amount of $2.24 million was outstanding and past due under this note.                              
Aggregated amount                                           $ 320,000              
Common stock conversion price, description                                     Company had previously sold $0.25 million aggregate principal amount of 10% Senior Convertible Debentures that bore interest at a rate of 10% per annum and were scheduled to mature on December 31, 2021. Interest was paid semi-annually in arrears in June and December of each year in cash or, at the Company's option, in shares of common stock at the conversion price that is equal to the lesser of (1) $7.50 or (2) a future effective price per share of any common stock sold by the Company. Upon an event of default, the interest rate shall automatically increase to 15% per annum. In connection with these debentures, the Company recognized aggregate debt discounts of $0.25 million. On April 21, 2020, all unpaid accrued interest through December 31, 2019 was converted into 2,234 shares of common stock. Also on April 21, 2020, all the outstanding warrants were exercised at $0.03 per share into 94,510 issued shares of the Company’s common stock, resulting in full recognition in interest expense of the remaining debt discount. On April 30, 2020, these debentures were amended to provide for the conversion of the debentures into shares of the Company’s common stock instead of the Company’s common stock and the conversion price was changed from $7.50 per share to $2.268 per share. The Company defaulted on these debentures during the 2020 fiscal year, causing the interest rate to increase to 15% per annum, and the debentures and accrued interest to become due on demand. Any remaining amounts recorded as debt discounts were fully amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations during the 2020 fiscal year. As of December 31, 2020, an aggregate principal amount of $0.25 million was outstanding and past due under these debentures. On January 26, 2021, the holder of these debentures converted the aggregate principal and interest of $0.28 million into 125,186 shares of common stock.                    
Equipment Financing Loan [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Aggregate principal amount outstanding                                             $ 180,000            
Promissory Note [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument maturity date                 Feb. 28, 2020                       Aug. 31, 2018                
Principal amount                                         $ 550,000                
Debt instrument interest rate                                         8.50%                
Related parties agreed outstanding balance                                         $ 810,000                
Aggregate principal amount outstanding loan                                             790,000            
Promissory Note Two [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument maturity date                                         Mar. 01, 2022                
Debt instrument interest rate                                         9.00%                
Aggregate principal amount outstanding loan                                             150,000            
Aggregate principal amount outstanding                       $ 750,000                 $ 450,000 $ 1,200,000              
Promissory Note Two [Member] | Accredited Investors [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate                           15.00%                              
Aggregate principal amount outstanding                           $ 1,200,000                              
Accrued interest compounded rate                           18.00%                              
Promissory Note Three [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount                                       $ 500,000 $ 50,000                
Debt instrument interest rate                                       12.00% 7.90%                
Aggregate principal amount outstanding loan                                             11,000            
Convertible Notes Payable [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument maturity date                                   Nov. 26, 2021                      
Debt instrument interest rate                                   15.00%                      
Aggregate principal amount outstanding                                             75,000            
Net proceeds received                                   $ 2,000,000.0                      
Bearing interest rate                                   9.00%                      
Secured loan agreement, description                                   The debt issuance costs were the result of the issuance of 350,000 shares of common stock and a cash payment of $80 thousand. The Company defaulted on this loan during fiscal 2020, which caused the interest rate to increase to a monthly compounded rate of 15% per annum, a late charge of 5% was incurred, and the loan and accrued interest became due on-demand. Amounts recorded as debt discounts and issuance costs were fully amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations during the 2020 fiscal year, as a result of the loan becoming due on-demand from the default event.                      
Loan converted into common stock, decription                     In connection with its acquisition of a subsidiary on January 29, 2021, the Company assumed the obligations of the sellers on a secured loan in the principal amount of $0.21 million that bears interest on the outstanding loan balance at the greater of (i) 5.75% per annum in excess of the Prime Rate or (ii) $4 thousand per month, with a maturity date of April 30, 2021. Interest is payable monthly.                                    
Secured Notes Payable [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument maturity date                                 Dec. 26, 2020                        
Debt instrument interest rate                                 78.99%                        
Aggregate principal amount outstanding                                 $ 600,000           1,100,000            
Loan converted into common stock, decription                       On January 26, 2021, $0.4 million of the principal amount of this loan and accrued interest with a combined total of $0.5 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 119,418 shares of common stock, along with warrants to purchase up to 119,418 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026. The remaining $0.7 million principal amount of this loan was fully repaid during fiscal 2021.                                  
Notes Payable [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate     10.00%                                                    
Aggregate principal amount outstanding     $ 1,100,000                                                    
Secured loan agreement, description                             In April 2020, the maturity date of this note was extended to August 31, 2020, the interest rate was increased to 12% per annum, and the Company provided to the lender 33,334 fully paid and non-assessable shares of its common stock that have been treated as debt issuance costs. As of December 31, 2020, an aggregate principal amount of $3.5 million was outstanding under this note. On January 26, 2021, the aggregate principal amount of this note and accrued interest with a combined total of $4.21 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, resulting in the issuance of 1,014,716 shares of common stock, along with warrants to purchase up to 1,014,716 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026. the Company entered into a secured loan agreement in the amount of $2.01 million that bore interest at 5% per annum with a maturity date of August 31, 2020, which was subsequently extended to October 15, 2020. Upon maturity, the interest rate automatically increased to 18% per annum, and a late charge of 5% was charged for any balance overdue by more than 10 days. The loan was secured by certain intellectual property assets of the Company. As of December 31, 2020, an aggregate principal amount of $2.01 million was outstanding and past due under this loan. On January 26, 2021, the aggregate principal amount of this loan and accrued interest with a combined total of $2.25 million, was fully extinguished at the rate of $4.15 per unit, as defined in our public offering and disclosed in Note 15- Stockholders’ Equity, plus a 10,000 unit conversion bonus, resulting in the issuance of 552,231 shares of common stock, along with warrants to purchase up to 552,231 shares of common stock that are exercisable for a purchase price of $4.50 per share at any time on or prior to January 26, 2026                          
Original issue discount     $ 100,000                                                    
Interest rate, description     Upon an event of default, the interest rate would automatically increase to 36% per annum on any unpaid principal, or the maximum amount permitted by applicable law, compounded monthly, and all unpaid principal and accrued interest would become due on-demand. The loan was guaranteed by a subsidiary of the Company and was secured by the Company’s equity interest in the subsidiary, all of the assets of the subsidiary and certain intellectual property assets of the Company.                                                    
Loan guaranteed, description     Daniel L. Hodges, the Company’s Chief Executive Officer, transferred a total of 23,334 shares of his personally owned, issued and outstanding common stock to the lender and brokers, as part of this transaction. The shares had a total fair value of $0.14 million. The Company accounted for this as a contribution from Mr. Hodges, as debt issuance costs. The Company incurred debt issuance costs to the placement agent of this transaction in the amount of $50 thousand.                                                    
Promissory Note Eight [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate                                       15.00%                  
Aggregate principal amount outstanding                                       $ 180,000     180,000            
October 2017 [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount                                                         $ 4,400,000
Debt instrument interest rate                                                         8.00%
Interest rate percentage                                                         10.00%
Issue discount amount                                                         $ 400,000
Accrued interest                                                         $ 5,000,000.0
Promissory Note Seven [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount           $ 580,000   $ 450,000                                          
Interest rate increased               133.00%                                          
Aggregate principal amount               $ 200,000                                          
Promissory Note Seven [Member] | Subsequent Event [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Aggregate principal amount outstanding                                               $ 550,000          
New Promissory Note [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Promissory note, description             the Company sold a promissory note in the principal amount of $0.5 million with an original issue discount of $54 thousand, that matured on November 30, 2020. Additionally, in lieu of interest, the Company issued to the lender 16,667 shares of its common stock with a fair value of $57 thousand, which was recognized as a debt discount and amortized to interest expense over the term of the note. Any principal balance remaining unpaid past the maturity date accrued interest at a rate of 15% per annum.                                            
DragonWave and Lextrum [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Secured loan agreement, description                                       connection with previous acquisitions of two subsidiaries, the Company assumed the obligations of the seller of $0.1 million aggregate principal amount of 8% Senior Convertible Debentures of the seller that bore interest at the rate of 8% per annum and matured on December 31, 2019. Interest was payable semi-annually in cash or, at the seller’s option, in shares of the seller’s common stock at the conversion price that was equal to the lesser of (1) $24.00 or (2) 80% of the common stock price offered under the next equity offering. On April 30, 2020, these debentures were modified to remove the conversion feature and only have settlement through cash. During fiscal 2020, these debentures became past due and interest accrued at a rate of 15% per annum. As of December 31, 2020, an aggregate principal amount of $84 thousand was outstanding under these debentures.                  
Chief Executive Officer [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Issued and outstanding common stock (in Shares)                                           96,634              
Issued and outstanding common stock fair vale                                           $ 480,000              
Equipment Financing Loan [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Aggregate principal amount outstanding           $ 200,000                                              
Minimum [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount                     $ 1,000                                    
Minimum [Member] | Equipment Financing Loan [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate           6.70%                                              
Maximum [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount                     $ 393,000                                    
Maximum [Member] | Equipment Financing Loan [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate           8.50%                                              
PPP Loans [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Principal amount                                           $ 770,000 $ 580,000     $ 450,000      
Debt instrument interest rate                                           1.00%              
Additional amount                                           $ 100,000              
PPP Loans [Member] | Subsidiary of Common Parent [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Debt instrument interest rate                                           0.30%              
principal amount of outstanding loan                                           $ 0.06              
PPP Loans [Member] | Minimum [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Loan maturity                                           2 years              
PPP Loans [Member] | Maximum [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Loan maturity                                           5 years              
Common Stock [Member]                                                          
Debt Agreements (Details) [Line Items]                                                          
Converted shares (in Shares)                                                       4,832