6. Business Combinations (Details - Acquisition TD Holdings) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 20, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consideration Paid:
Cash and cash equivalents		$ 0	$ 3,500,000
Financial liabilities:
Goodwill		$ 8,800,761	$ 8,104,056	$ 0
TD Holdings Limited [Member]
Consideration Paid:
Cash and cash equivalents	$ 3,500,000
Common stock, 7,367,001 shares of Grom common stock (includes the 417,000 Letter of Intent shares)	4,240,000
Senior, secured promissory notes, net of discount of $309,049	4,190,951
Working capital adjustment payable to sellers	329,644
Contingent purchase consideration	3,987,602
Fair value of total consideration	16,248,197
Financial assets:
Cash and cash equivalents	1,024,424
Accounts receivables	693,406
Inventory	350,769
Prepaid and other assets	148,079
Property and equipment	405,191
Deferred tax assets	180,735
Financial liabilities:
Accounts payable and accrued liabilities	(465,247)
Advance payments and deferred revenues	(697,752)
Other noncurrent liabilities	(254,631)
Total identifiable net assets	8,144,141
Goodwill	8,104,056
Total identifiable assets acquired, liabilities assumed and goodwill	16,248,197
TD Holdings Limited [Member] | Customer Relationships [Member]
Identifiable intangible assets:
Identifiable intangible assets	1,526,282
TD Holdings Limited [Member] | Noncompete Agreements [Member]
Identifiable intangible assets:
Identifiable intangible assets	846,638
TD Holdings Limited [Member] | Trade Names [Member]
Identifiable intangible assets:
Identifiable intangible assets	$ 4,386,247