Desktop Metal, Inc. Post-effective amendment to a registration statement that is not immediately effective upon filing

Post-effective amendment to a registration statement that is not immediately effective upon filing

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details
Uncategorized

STOCK BASED COMPENSATION - Stock Incentive Plan (Details)

v3.21.1

STOCK BASED COMPENSATION - Stock Incentive Plan (Details) $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
	Sep. 28, 2020 USD ($)	Dec. 31, 2020 USD ($) shares	Jul. 31, 2020 USD ($) employee	Mar. 31, 2021 USD ($) shares	Mar. 31, 2020 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 shares	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						1 year
Number of employees affected by repricing \| employee			116
Expenses recognized \| $			$ 3,600
Granted (in shares)						8,463,000
Unrecognized stock-based compensation expense, stock options \| $		$ 13,700		$ 12,500		$ 13,700	$ 13,000
Weighted-average period				3 years 1 month 6 days		2 years 9 months 18 days
Shares available for grant		14,379,052		14,140,956		14,379,052
Compensation expenses \| $	$ 1,800			$ 2,217	$ 1,259	$ 8,006	$ 5,215
Consultant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					12,212	12,212	119,581
Fair value of shares \| $					$ 100	$ 100	$ 600
Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				0	473,624	8,450,799	5,730,586
Fair value of shares \| $					$ 800	$ 29,800	$ 10,100
2015 stock incentive plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards made under the plan									26,283,789
Vesting period									4 years
Expiration period									10 years
Make Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period							4 years	4 years
Expiration period							10 years	10 years
Options and warrants to be issued							232,304	232,304
Granted (in shares)							0	0
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for future issuance		12,400,813				12,400,813
Percentage of stock outstanding		5.00%

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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