Debt Agreements - Additional Information (Details) - USD ($)					1 Months Ended																12 Months Ended
	Sep. 11, 2019	Aug. 14, 2019	Jun. 10, 2019	Apr. 01, 2019	Aug. 31, 2020	Nov. 30, 2019	Nov. 15, 2019	Nov. 07, 2019	Sep. 30, 2019	Sep. 24, 2019	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2019	Apr. 30, 2019	Aug. 31, 2018	Jan. 31, 2018	Oct. 31, 2017	Sep. 30, 2017	Aug. 31, 2017	Aug. 31, 2016	Dec. 31, 2019	Jul. 09, 2019
Debt Agreement (Textual)
Aggregate principal amount outstanding																					$ 10,138,496
Common stock at a price																					$ 0.8902
Convertible Notes Payable [Member]
Debt Agreement (Textual)
Principal amount		$ 200,000	$ 200,000															$ 137,500			$ 400,000
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.																		Due on September 15, 2020. Principal and interest payments of $1,872 are due quarterly.
Debt instrument maturity date		Sep. 01, 2019	Jul. 09, 2019			Nov. 26, 2021												Oct. 17, 2017
Related parties agreed outstanding balance																					$ 3,828
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. During fiscal 2019, $196,667 of these costs were amortized and recognized in interest expense in the Consolidated Statement of Operations. As of December 31, 2019, there were $19,167 of debt discounts and $4,504,167 of debt issuance costs remaining.
Original issue discount			$ 6,000
October 2017 [Member]
Debt Agreement (Textual)
Principal amount																	$ 4,400,000
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
Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Debt instrument interest rate																	8.00%		8.00%
Convertible debt																	$ 300,000		$ 1,000,000
Senior convertible debentures interest percent																	8.00%		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 December 31, 2019, 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.
18% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
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. As of December 31, 2019, an aggregate principal amount of $25,000 was outstanding under these debentures. These debentures are past due and interest accrues at a rate of 15% per annum.
9% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Principal amount													$ 1,000,000
Debt instrument interest rate													9.00%
Debt instrument maturity date													Dec. 31, 2021
Aggregate shares of common stock							1,150,000
Senior convertible debentures interest percent													9.00%
Secured loan agreement, description											ComSovereign sold $1,000,000 principal amount of 9% Senior Convertible Debentures that bore interest at the rate of 9% per annum and matured on December 31, 2021. ComSovereign received $850,000 in cash. Interest was payable 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) $8.00 or (2) 80% of the common stock price offered under the next equity offering.	ComSovereign sold $1,000,000 principal amount of 9% Senior Convertible Debentures that bore interest at the rate of 9% per annum and matured on December 31, 2021. ComSovereign received $850,000 in cash. Interest was payable 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) $8.00 or (2) 80% of the common stock price offered under the next equity offering.
Original issue discount													$ 63,880
Net proceed received from promissory note													$ 850,000
Warrants to purchase an aggregate shares							132,500						100,000
Common stock at a price													$ 5.00
Debt discount amount													$ 1,100,000
Beneficial conversion feature amount													$ 786,549
Warants cancelled, description													The warrants were cancelled and 132,500 warrants were issued for $1.50 per share.
9% Senior Convertible Debentures [Member] | Warrant [Member]
Debt Agreement (Textual)
Warrants to purchase an aggregate shares							20,000
Promissory note [Member]
Debt Agreement (Textual)
Principal amount																				$ 550,000
Aggregate principal amount outstanding																					788,709
Debt instrument interest rate																				8.50%
Debt instrument maturity date																				Aug. 31, 2018
Related parties agreed outstanding balance	$ 813,709
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, 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, 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.
Promissory note [Member] | Warrant [Member]
Debt Agreement (Textual)
Principal amount									$ 5,250,000
Net proceeds received																					$ 24,425
Net proceed received from promissory note									$ 3,485,000
Warrants to purchase an aggregate shares									2,442,500
Common stock at a price									$ 0.01												$ 0.01
Warrants converted into shares																					2,442,500
Common stock conversion price, description									As incentive to enter into the promissory note, the noteholder was issued 500,000 shares of ComSovereign's common stock for the total purchase price of $4.40 per share, or $2,200,000, of which only $5,000 was paid in cash.
Promissory Note One [Member]
Debt Agreement (Textual)
Principal amount																				$ 50,000
Aggregate principal amount outstanding																					$ 21,571
Debt instrument interest rate																				7.785%
Debt instrument maturity date																				Sep. 01, 2021
Promissory note, 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, 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.
Promissory Note Two [Member]
Debt Agreement (Textual)
Principal amount																				$ 450,000
Aggregate principal amount outstanding																					224,288
Debt instrument interest rate																				9.00%
Debt instrument 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
Aggregate principal amount outstanding																					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 December 31, 2019, 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.
Debt instrument maturity date														Oct. 17, 2017
Aggregate shares of common stock																		150,000
Promissory Note Eight [Member]
Debt Agreement (Textual)
Principal amount														$ 175,000
Aggregate principal amount outstanding																					175,000
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.
Debt instrument 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
Aggregate principal amount outstanding																					200,000
Promissory Note Seven [Member]
Debt Agreement (Textual)
Principal amount								$ 450,100
Aggregate principal amount outstanding								$ 450,100													450,100
Debt instrument interest rate								18.00%
Debt instrument maturity date								Dec. 06, 2019
Related parties agreed outstanding balance								$ 200,100
Interest rate increased								133.00%
Notes Payable [Member]
Debt Agreement (Textual)
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. 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.
10% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding										$ 250,000											250,000
Debt instrument interest rate										10.00%
Debt instrument 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 December 31, 2019, 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 fiscal 2019, $25,000 of these costs were amortized and recognized in interest expense in the Consolidated Statement of Operations. As of December 31, 2019, there were $225,000 of debt discounts remaining. 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
Debt instrument interest rate			18.00%
Debt instrument maturity period, description			The full $200,000 balance was due at maturity.
Debt instrument maturity date			Jul. 09, 2019
Original issue discount			$ 6,000
Promissory Note Five [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding																					175,000
Promissory Note Six [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding																					5,000,000
8% Senior Convertible Debentures [Member]
Debt Agreement (Textual)
Aggregate principal amount outstanding																					$ 25,000
Debt instrument interest rate																					15.00%