Molecular Templates, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plans and Stock Based Compensation - Stock-Based Compensation Expense (Detail)

Equity Incentive Plans and Stock Based Compensation - Stock-Based Compensation Expense (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock-based compensation expense:
Stock-based compensation expense	$ 3,010,000	$ 1,039,000	$ 803,000
Research and development [Member]
Stock-based compensation expense:
Stock-based compensation expense	1,521,000	471,000	381,000
General and administrative [Member]
Stock-based compensation expense:
Stock-based compensation expense	$ 1,489,000	$ 568,000	$ 422,000

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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