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Debt (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 21, 2020 | Jul. 28, 2020 | Jun. 24, 2020 | Jun. 22, 2020 | Jun. 08, 2020 | May 22, 2020 | Apr. 17, 2020 | Feb. 04, 2020 | Dec. 13, 2019 | Mar. 22, 2019 | Mar. 12, 2019 | Jun. 22, 2018 | Aug. 15, 2017 | Jan. 16, 2015 | May 21, 2014 | Dec. 31, 2020 | Dec. 31, 2019
Number of common stock issued, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 43,524 |
Interest expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,815 | $ 1,794
Proceeds from loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,009 |
Proceeds from financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25
Qwizdom, Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate percentage |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 656 |  |  |  |  |
Percentage for shareholders |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |
Long term note payable |  |  |  |  |  |  |  |  |  |  |  |  | $ 656 |  |  |  |  |
Steve Barker [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 |
Shares issued for purchase of MRI net assets |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  | $ 70 |  |  |  |  |  |
Mark Elliott [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,500
Debt instrument conversion price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.28 |  |  |
Debt conversion percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |
Notes payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50 |  |  |
Lind [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,080 | 4,200
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 | 5
Notes payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,590 | 13,590
Lind [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,900 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 163 |
Sallyport Commercial Finance, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,500 | 1,552
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0
Interest expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 594 | 757
STEM Education Holdings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Installment payments, description |  |  |  |  |  |  |  | Acquisition of STEM included a note payable in the of $350 thousand purchase note payable. The note was payable in four equal installments of $87.5 thousand on July 31, 2020, October 31, 2020, January 31, 2021 and April 30, 2021. Further, acknowledging the ongoing COVID-19 pandemic, and as per Letter Agreement the parties acknowledged that potential adjustments may be made to the installment payments due on July 31, 2020 and October 31, 2020 in the event the actual gross revenue of MyStemKits is materially below budget. Accordingly, and as agreed between Boxlight and the STEM sellers the note payable has since been adjusted to $175 thousand. |  |  |  |  |  |  |  |  |  |
Notes payable |  |  |  |  |  |  |  | $ 350 |  |  |  |  |  |  |  |  |  |
Qwizdom, Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 382
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7
Quarterly payment description |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The principal and accrued interest of the note is due and payable in 12 equal quarterly payments. The first quarterly payment was due September 2018 and subsequent quarterly payments are due through June 2021. Principal and accrued interest become due and payable in full upon the completion of a public offering of Class A common stock or private placement of debt or equity securities for $10 million. |
Qwizdom, Inc [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 119 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Proceeds from financing |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  |  |  |  |
Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 219 |
Securities Purchase Agreement [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock issued, value |  |  |  |  |  |  |  |  | $ 60 |  |  |  |  |  |  |  |  |
Legal fees |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | 2020 Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible note payable |  | $ 22,000 |  |  |  |  |  |  | $ 825 |  |  |  |  |  |  |  |  |
Debt interest rate percentage |  | 4.00% |  |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Lind Global Macro Fund, LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock issued, value |  | $ 20,000 |  |  |  |  |  |  | $ 750 |  |  |  |  |  |  |  |  |
Debt description |  | (1) a $22.0 million convertible promissory note, payable at an 4% interest rate, compounded monthly, (2) 310,399 shares of restricted Class A common stock valued at $500 thousand, calculated based on the 20-day volume average weighted price of the Class A common stock for the period ended September 21, 2020, and (3) a commitment fee of $400 thousand. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt commitment fee |  | $ 400 |  |  |  |  |  |  | $ 26 |  |  |  |  |  |  |  |  |
Debt maturity description |  | The Note matures over 24 months, with repayment to commence on November 22, 2020, after which time the Company will be obligated to make monthly payments of $1.0 million, plus interest |  |  |  |  |  |  | The Note matures over 24 months, with repayment that commenced on August 4, 2020, after which time the Company is obligated to make monthly payments of $45.833 thousand plus interest. |  |  |  |  |  |  |  |  |
Repayment of principal amount |  | $ 1,000 |  |  |  |  |  |  | $ 46 |  |  |  |  |  |  |  |  |
Legal fees |  | $ 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity period |  | 24 months |  |  |  |  |  |  | 24 months |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Lind [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible note payable |  |  |  |  |  |  |  |  |  | $ 1,375 |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  | $ 4,400 |  |  |  |  |  |  |
Working capital financing amount |  |  |  |  |  |  |  |  |  | $ 11,250 | $ 4,000 |  |  |  |  |  |  |
Debt weighted average interest rate |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |
Debt maturity period |  |  |  |  |  |  |  |  |  | 24 months | 24 months |  |  |  |  |  |  |
Debt instrument conversion price |  |  |  |  |  |  |  |  |  | $ 2.50 |  |  |  |  |  |  |  |
Debt conversion percentage |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Lind [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock issued |  | 310,339 |  |  |  |  |  |  | 44,557 |  |  |  |  |  |  |  |  |
Payment of closing fee |  | $ 500 |  |  |  |  |  |  | $ 60 |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 153 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65 |
Debt instrument conversion price |  |  |  |  |  |  |  |  |  |  | $ 4.00 |  |  |  |  |  |  |
Debt conversion percentage |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Lind [Member] | Class A Common Stock [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion price per share increase |  |  |  |  |  |  |  |  |  | 5.00 | $ 8.00 |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Lind [Member] | Class A Common Stock [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion price per share increase |  |  |  |  |  |  |  |  |  | $ 6.25 | $ 12.00 |  |  |  |  |  |  |
Underwriting Agreement [Member] | Maxim Group, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt description |  |  | The Company entered into an underwriting agreement (the "Underwriting Agreement") with Maxim Group, LLC, a Delaware limited liability company ("Maxim"), pursuant to which Maxim, as representative of the underwriters, agreed to underwrite the public offering (the "Offering") of up to 15,000,00 shares of the Company's Class A common stock, par value $0.0001 per share (the "Common Stock"), at a public offering price of $2.00 per share, in addition to an overallotment option (the "Overallotment Option") of 2,250,000 shares of Common Stock. The Offering closed on July 31, 2020, with the sale of all 17,250,000 shares of the Company's Common Stock, including the Overallotment Option, for gross proceeds of $34,500,000. Maxim acted as sole book-running manager, National Securities Corporation acted as a co-manager for the Offering, and A.G.P./Alliance Global Partners ("A.G.P.") acted as financial advisor. As compensation for underwriting the Offering, the underwriters received an underwriting discount of 7%, equaling approximately $2,415,000, in addition to $60,000 in expenses. A.G.P."s compensation was paid out of the underwriting discount. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares, price per share |  |  | $ 2.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock issued |  |  | 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting Agreement [Member] | Everest Display Display, Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt forgiveness |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting Agreement [Member] | Maxim Group, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt description |  |  |  | In addition, the Company granted the underwriters a 45-day option to purchase up to an additional 2,000,000 shares of Class A common stock at the public offering price less discounts and commissions (the "June Over-Allotment Option"). The June Over-Allotment Option was exercised in full on June 24, 2020, for additional proceeds of $1,500,000, through the sale of an additional 1,999,667 shares of Class A common stock. Maxim acted as sole-bookrunner and National acted as co-manager for the Offering. Gross proceeds, before underwriting discounts and commissions and estimated offering expenses, totaled $11.5 million. As compensation for underwriting the Offering, Maxim and National together received an underwriting discount of 7% of the Offering and the Over-Allotment Option and were reimbursed for up to $85,000 in underwriting expenses. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares, price per share |  |  |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock issued |  |  |  | 1,999,667 |  | 13,333,333 |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from issuance of stock |  |  |  | $ 11,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting discounts and offering expenses |  |  |  | 85 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  | 11,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from financing |  |  |  | $ 1,500,000 |  | $ 10,000 |  |  |  |  |  |  |  |  |  |  |  |
Third Securities Purchase Agreement [Member] | Lind [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 52 |
Sale and Purchase Agreement [Member] | Sallyport Commercial Finance, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of eligible accounts receivable percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 85.00% |  |  |  |
Minimum monthly sales volume |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,250 |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000 |  |  |  |
Auditor fee |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |
Sale and Purchase Agreement [Member] | Sallyport Commercial Finance, LLC [Member] | Floor Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% |  |  |  |
Sale and Purchase Agreement [Member] | Sallyport Commercial Finance, LLC [Member] | Maximum [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |
Asset Based Lending Agreement [Member] | Sallyport Commercial Finance, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of eligible accounts receivable percentage | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum monthly sales volume | $ 1,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity | 8,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Auditor fee | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Based Lending Agreement [Member] | Sallyport Commercial Finance, LLC [Member] | Floor Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate percentage | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Based Lending Agreement [Member] | Sallyport Commercial Finance, LLC [Member] | Maximum [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest rate percentage | 3.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Paycheck Protection Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate percentage |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |
Debt maturity description |  |  |  |  |  |  | The unforgiven portion of the PPP loan is payable over two years at an interest rate of 1%, with a deferral of payments for the first six months. The Company is using the proceeds for purposes consistent with the PPP. |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,090 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6 |
Debt forgiveness |  |  |  |  |  |  | $ 837 |  |  |  |  |  |  |  |  |  |  |
Proceeds from loan |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Agreement [Member] | Logical Choice Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  |
Accrued interest rate percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |

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