Debt Agreements - Additional Information (Details) - USD ($)						1 Months Ended													2 Months Ended	3 Months Ended	12 Months Ended
	Mar. 06, 2020	Mar. 05, 2020	Sep. 11, 2019	Aug. 14, 2019	Jun. 10, 2019	Mar. 19, 2020	Feb. 26, 2020	Nov. 30, 2019	Nov. 07, 2019	Sep. 24, 2019	Apr. 30, 2019	Apr. 01, 2019	Aug. 31, 2018	Jan. 31, 2018	Oct. 31, 2017	Sep. 30, 2017	Aug. 31, 2017	Aug. 31, 2016	Mar. 06, 2020	Mar. 31, 2020	Dec. 31, 2019	Jul. 09, 2019
Debt Agreement (Textual)
Aggregate principal amount outstanding																				$ 14,730,905	$ 10,138,496
Debt instrument maturity period, description																				InduraPower did not fulfil the requirements to maintain a balance of at least $155,159 at J.P. Morgan while the promissory note is outstanding and maintain a debt service coverage ratio of at least 1.25. Due to this breach of clauses those covenants, the promissory note holder is contractually entitled to request immediate repayment of the outstanding promissory note, and/or increase the interest rate up to an additional 18% per annum. The outstanding balance is presented as a current liability as of March 31, 2020. The promissory note holder had not requested early repayment of the loan as of the date when these financial statements were approved by the Board of Directors.
Accrued interest																				$ 2,007,971
Secured loan agreement, description	The Company assumed a secured loan with FirstBank in the principal amount of $979,381 bearing interest at 5% per annum and with a maturity date of June 1, 2020. The loan is secured by certain assets of the Company's subsidiary, Sovereign Plastics. This loan is subjected to clauses, whereby Sovereign Plastics is required to meet certain financial and non-financial terms at the end of each fiscal year. Payments in the amount of $22,404 for interest and principal are due over the next 2 months and the balance is due at maturity. As of March 31, 2020, an aggregate principal amount of $979,381 was outstanding under this loan. On August 5, 2020, the maturity date of this loan was extended to September 15, 2020.
Warrants to purchase an aggregate shares
Acquired Business [Member]
Debt Agreement (Textual)
Principal amount	$ 43,957																		$ 43,957
Aggregate principal amount outstanding	43,144																		$ 43,144
Interest and principal payments, description																			Monthly principal and interest payments of approximately $1,063 are due over the term.
Secured Notes Payable [Member]
Debt Agreement (Textual)
Principal amount																				$ 979,381
Aggregate principal amount outstanding							$ 600,000
Debt instrument interest rate																				5.00%
Debt instrument maturity period, description							78.99%
Maturity date							Dec. 26, 2020													Jun. 01, 2020
Principal and interest payments							$ 19,429
Operational Finance Leases [Member]
Debt Agreement (Textual)
Principal amount	$ 64,865																		$ 64,865
Aggregate principal amount outstanding																				$ 200,789
Interest and principal payments, description	Monthly principal and interest payments of approximately $1,680 are due over the term.
Principal and interest payments	$ 5,104
Equipment Financing Loans [Member]
Debt Agreement (Textual)
Interest and principal payments, description	Monthly principal and interest payments of approximately $2,361 are due over the term.
Fast Plastics and Strategic Equity Partners [Member]
Debt Agreement (Textual)
Principal amount	$ 165,987																		165,987
Aggregate principal amount outstanding																				165,987
Equipment Financing Loans [Member]
Debt Agreement (Textual)
Principal amount	95,810																		95,810
Aggregate principal amount outstanding	93,933																		93,933
Holder One [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding																				$ 100,000
Debt instrument interest rate																				15.00%
8% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding												$ 25,000
Debt instrument interest rate												8.00%
Maturity date												Dec. 31, 2020
Secured loan agreement, description												In connection with its acquisition of DragonWave and Lextrum in April 2019, ComSovereign assumed the obligations of the seller of $25,000 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) $8.00 or (2) 80% of the common stock price offered under the next equity offering. These debentures were past due and interest accrued at a rate of 15% per annum. As of March 31, 2020, the aggregate principal amount of $25,000 under these debentures was fully repaid.
Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding																	$ 100,000
Debt instrument interest rate															8.00%		8.00%
Maturity date																	Dec. 31, 2020
Convertible debt															$ 300,000
Senior convertible debentures interest percent															8.00%
Secured loan agreement, description																	In connection with its acquisition of DragonWave and Lextrum in April 2019, ComSovereign assumed the obligations of the seller of $100,000 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) $8.00 or (2) 80% of the common stock price offered under the next equity offering. As of March 31, 2020, an aggregate principal amount of $100,000 was outstanding under these debentures. These debentures are past due and interest accrues at a rate of 15% per annum.
Convertible Notes Payable [Member]
Debt Agreement (Textual)
Principal amount				$ 200,000	$ 200,000											$ 137,500				$ 400,000	$ 1,872
Aggregate principal amount outstanding																				2,000,000
Debt instrument interest rate				18.00%				9.00%								12.00%					8.775%	18.00%
Debt instrument maturity period, description					Since this note was not repaid and is currently past due, interest is being accrued at a rate of 18% per annum.
Maturity date				Sep. 01, 2019	Jul. 09, 2019			Nov. 26, 2021								Oct. 17, 2017					Sep. 15, 2020
Net proceeds received								$ 2,000,000
Secured loan agreement, description								In connection with this loan, DragonWave incurred $20,000 of debt discounts and $4,700,000 of debt issuance costs. The debt issuance costs were the result of the issuance of 1,050,000 shares of common stock of the Company and a cash payment of $80,000. For the three months ended March 31, 2020, $590,000 of these costs were amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations. As of March 31, 2020, there were $16,667 of debt discounts and $3,916,667 of debt issuance costs remaining.
Original issue discount					$ 6,000
Principal and interest payments																					$ 1,872
Issuance of Common stock								1,050,000
Debt issuance costs								$ 80,000
Notes payable outstanding																					$ 2,034
Promissory note [Member]
Debt Agreement (Textual)
Principal amount	409,586	$ 500,000																$ 550,000	409,586
Aggregate principal amount outstanding	$ 409,586	$ 500,000																	409,586	$ 788,709
Debt instrument interest rate																		8.50%
Debt instrument maturity period, description																				This promissory note is subjected to clauses, whereby InduraPower is required to meet certain financial and non-financial terms. InduraPower did not fulfil the requirements to maintain a balance of at least $155,159 at J.P. Morgan while the promissory note is outstanding and maintain a debt service coverage ratio of at least 1.25. Due to this breach of clauses those covenants, the promissory note holder is contractually entitled to request immediate repayment of the outstanding promissory note, and/or increase the interest rate up to an additional 18% per annum. The outstanding balance is presented as a current liability as of March 31, 2020. The promissory note holder had not requested early repayment of the loan as of the date when these financial statements were approved by the Board of Directors.
Maturity date	Jun. 30, 2020	Jun. 30, 2020																Aug. 31, 2018
Related parties agreed outstanding balance			813,709
Aggregate shares of common stock		50,000
Share price		$ 446,000
Outstanding balance due date			Feb. 28, 2020
Interest and principal payments, description																		Beginning April 1, 2017, equal monthly payments of $1,011 for interest and principal are due on the note for 60 consecutive months.
Promissory Note Seven [Member]
Debt Agreement (Textual)
Principal amount									$ 450,100											$ 250,000
Aggregate principal amount outstanding									$ 200,100											$ 200,100
Debt instrument interest rate									133.00%											18.00%
Maturity date									Dec. 06, 2019
October 2017 [Member]
Debt Agreement (Textual)
Principal amount															$ 4,400,000					$ 5,000,000
Debt instrument interest rate														8.00%
Debt instrument maturity period, description													The maturity date was extended to December 31, 2018 with new payment terms. In September 2018, the maturity date was extended to February 28, 2019 with new payment terms.	To extend the maturity date another 90 days.
Net proceeds received															$ 4,000,000
Promissory Note one [Member]
Debt Agreement (Textual)
Principal amount																		$ 50,000
Aggregate principal amount outstanding																				19,106
Debt instrument interest rate																		7.785%
Maturity date																		Sep. 01, 2021
Promissory Note Two [Member]
Debt Agreement (Textual)
Principal amount																		$ 450,000
Aggregate principal amount outstanding																				202,519
Debt instrument interest rate																		9.00%
Maturity date																		Mar. 01, 2022
Interest and principal payments, description																		Accrued interest only payments were due monthly beginning October 1, 2016 through March 1, 2017. Monthly payments of $9,341 for interest and principal are due on this note for the following 60 consecutive months.
Promissory Note Three [Member]
Debt Agreement (Textual)
Principal amount											$ 500,000
Debt instrument interest rate											12.00%
Debt instrument maturity period, description																On October 1, 2019, the maturity date was extended until September 30, 2020 and the interest rate was reduced to 10% per annum. All unpaid accrued interest from October 2017 through September 30, 2019 was converted into 150,000 shares of common stock of ComSovereign. Accrued interest and the full principal balance are due at maturity. As of March 31, 2020, an aggregate principal amount of $500,000 was outstanding under this note. On April 30, 2020, the Company also issued 14,496 shares of common stock in lieu of an aggregate cash interest payment payable by ComSovereign through December 31, 2019 on this outstanding note payable.
Maturity date											Oct. 17, 2017
Aggregate shares of common stock																150,000
Promissory Note Eight [Member]
Debt Agreement (Textual)
Principal amount											$ 175,000									175,000
Aggregate principal amount outstanding																				542,857
Debt instrument interest rate											15.00%
Debt instrument maturity period, description																ComSovereign amended the promissory note to extend the maturity date to September 30, 2020 and to change the interest rate to 10% per annum. Both parties to the note also agreed to convert all unpaid accrued interest into 10,000 shares of common stock of ComSovereign, valued at $44,000. Accrued interest and principal are due and payable at maturity.
Maturity date											Nov. 30, 2017
Aggregate shares of common stock																10,000
Interest rate increased											18.00%
Promissory Note Four [Member]
Debt Agreement (Textual)
Principal amount					200,000
Notes Payable [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding						$ 2,007,971														2,007,971
Debt instrument interest rate						5.00%
Maturity date						Aug. 31, 2020
Accrued interest						$ 8,428
Secured loan agreement, description															On September 3, 2019, the promissory note was increased to $5,000,000 as all unpaid accrued interest was added to the principal balance. Additionally, the maturity date was extended to March 30, 2020 and the interest rate was changed to 10% per annum. Under this new amendment, principal and interest payments are due and payable monthly. As of March 31, 2020, an aggregate principal amount of $5,000,000 was outstanding under this note. On April 21, 2020, the maturity date of this note was extended to August 31, 2020, and the interest rate was increased to 12% per annum.
Notes Payable [Member] | Richard Taylor [Member]
Debt Agreement (Textual)
Principal amount	$ 86,866																		$ 86,866
Aggregate principal amount outstanding																				86,866
Debt instrument interest rate	3.00%																		3.00%
Maturity date	Feb. 06, 2023
Interest and principal payments, description	Monthly payments in the amount of $3,773 for principal and interest are due over the term.
Principal and interest payments	$ 3,773
10% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding										$ 250,000										250,000
Debt instrument interest rate										10.00%
Maturity date										Dec. 31, 2021
Common stock conversion price, description										Interest is paid semi-annually in arrears in June and December of each year in cash or, at ComSovereign's option, in shares of common stock at the conversion price that was equal to the lesser of (1) $2.50 or (2) a future effective price per share of any common stock sold by ComSovereign. Upon an event of default, the interest rate shall automatically increase to 15% per annum. As of March 31, 2020, an aggregate principal amount of $250,000 was outstanding under these debentures. In connection with these debentures, ComSovereign recognized a BCF of $69,000 and a debt discount of $181,000 associated with the issuance of warrants, both of which are recorded as debt discounts. During the three months ended March 31, 2020, $25,000 of these costs were amortized and recognized in interest expense in the Condensed Consolidated Statement of Operations. As of March 31, 2020 and December 31, 2019, there were $200,000 and $225,000 of debt discounts remaining, respectively. 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 ComSovereign's common stock. Additionally, the conversion price was changed from $2.50 per share to $0.756 per share. As a result, all the outstanding warrants were exercised at $0.01 per share into 283,530 shares of the Company's common stock. The Company also issued 6,700 shares of common stock on April 30, 2020 in lieu of an aggregate cash interest payment payable by ComSovereign through December 31, 2019 on these outstanding convertible debentures.
Interest rate increased										15.00%
New Promissory Note [Member]
Debt Agreement (Textual)
Principal amount					$ 200,000															$ 200,000
Debt instrument interest rate					18.00%
Debt instrument maturity period, description					The full $200,000 balance was due at maturity.
Maturity date					Jul. 09, 2019
Original issue discount					$ 6,000