Acquisition of Management Company	9 Months Ended
Sep. 30, 2019
Business Combinations [Abstract]
Acquisition of Management Company	In October 2017, AeroCentury, JHC and certain other parties entered into the Merger Agreement for the acquisition of JHC by AeroCentury for consideration of approximately $2.9 million in cash and 129,217 shares of common stock of AeroCentury, as determined pursuant to the Merger Agreement. JHC is the parent company of JMC, which is the manager of the Company’s assets as described in Note 11 below. The Merger was consummated on October 1, 2018. AeroCentury’s common stock issued as consideration in the Merger was offered and issued pursuant to an exemption from registration under Section 3(a)(10) of the Securities Act of 1933. As a result of the Merger, the Company indirectly assumed all of JHC’s assets, comprised primarily of securities, prepaid expenses and an office lease, as well as liabilities of approximately $0.9 million. As a subsidiary of the Company, JHC’s results are included in the Company’s consolidated financial statements beginning on October 1, 2018. During the quarter and nine months ended September 30, 2019, the Company accrued no expenses related to the Merger transaction. During the quarter and nine months ended September 30, 2018, the Company accrued $77,200 and $341,400 of expenses related to the Merger transaction. Such expenses are included in professional fees, general and administrative and other in the Company’s condensed consolidated statements of operations.

Acquisition of Management Company

9 Months Ended

Sep. 30, 2019

In October 2017, AeroCentury, JHC and certain other parties entered into the Merger Agreement for the acquisition of JHC by AeroCentury for consideration of approximately $2.9 million in cash and 129,217 shares of common stock of AeroCentury, as determined pursuant to the Merger Agreement. JHC is the parent company of JMC, which is the manager of the Company’s assets as described in Note 11 below. The Merger was consummated on October 1, 2018. AeroCentury’s common stock issued as consideration in the Merger was offered and issued pursuant to an exemption from registration under Section 3(a)(10) of the Securities Act of 1933.

As a result of the Merger, the Company indirectly assumed all of JHC’s assets, comprised primarily of securities, prepaid expenses and an office lease, as well as liabilities of approximately $0.9 million. As a subsidiary of the Company, JHC’s results are included in the Company’s consolidated financial statements beginning on October 1, 2018.

During the quarter and nine months ended September 30, 2019, the Company accrued no expenses related to the Merger transaction. During the quarter and nine months ended September 30, 2018, the Company accrued $77,200 and $341,400 of expenses related to the Merger transaction. Such expenses are included in professional fees, general and administrative and other in the Company’s condensed consolidated statements of operations.