Subsequent Events	12 Months Ended
Dec. 31, 2012
Subsequent Events [Abstract]
Subsequent Events	P. Subsequent Events On January 29, 2013, we declared a dividend of $0.06 per share payable on February 15, 2013, to shareholders of record of MicroFinancial Incorporated stock on February 8, 2013. Since December 31, 2012, we have repurchased a total of 14,984 shares of our common stock under the common stock repurchase program approved in 2010, at an average price per share of $7.45. The total cost of the shares purchased was approximately $112,000. Shares are retired at month end, in the month repurchased. We have evaluated all events or transactions that occurred through the date on which we issued these financial statements. During this period, we did not have any material subsequent events that impacted our consolidated financial statements other than the declaration of dividends.

Subsequent Events

12 Months Ended

Dec. 31, 2012

P. Subsequent Events

On January 29, 2013, we declared a dividend of $0.06 per share payable on February 15, 2013, to shareholders of record of MicroFinancial Incorporated stock on February 8, 2013.

Since December 31, 2012, we have repurchased a total of 14,984 shares of our common stock under the common stock repurchase program approved in 2010, at an average price per share of $7.45. The total cost of the shares purchased was approximately $112,000. Shares are retired at month end, in the month repurchased.

We have evaluated all events or transactions that occurred through the date on which we issued these financial statements. During this period, we did not have any material subsequent events that impacted our consolidated financial statements other than the declaration of dividends.