COMMON STOCK WARRANTS	12 Months Ended
Sep. 30, 2016
COMMON STOCK WARRANTS [Abstract]
COMMON STOCK WARRANTS	(4) COMMON STOCK WARRANTS Sevcon entered into a Securities Purchase Agreement with certain institutional and accredited investors on July 6, 2016 in which the Company sold and issued 1,124,000 units at $9.12 per unit. Each unit consists of 1 share of common stock ($0.10 par value) and 0.5 warrant to purchase 1 share of common stock for $10.00 exercise price per warrant share. The closing date of this transaction was July 8, 2016 which resulted in the Company receiving $10,250,880 gross proceeds (1,124,000 units @ $9.12 per unit). The investors received 1,124,000 shares of common stock and warrants to purchase 562,000 (50% of 1,124,000) shares of common stock. The Company has analyzed the warrants under FASB Accounting Standards Codification Topic 480, Distinguishing Liabilities From Equity and other relevant literature, and determined that the warrants meet the criteria for classification as equity instruments. The Company estimated the fair value of warrants using the Black-Scholes-Merton option-pricing model and recorded them in stockholders’ equity with an offset to additional paid in capital recorded from the sale of the units.

(4) COMMON STOCK WARRANTS

Sevcon entered into a Securities Purchase Agreement with certain institutional and accredited investors on July 6, 2016 in which the Company sold and issued 1,124,000 units at $9.12 per unit. Each unit consists of 1 share of common stock ($0.10 par value) and 0.5 warrant to purchase 1 share of common stock for $10.00 exercise price per warrant share. The closing date of this transaction was July 8, 2016 which resulted in the Company receiving $10,250,880 gross proceeds (1,124,000 units @ $9.12 per unit). The investors received 1,124,000 shares of common stock and warrants to purchase 562,000 (50% of 1,124,000) shares of common stock.

The Company has analyzed the warrants under FASB Accounting Standards Codification Topic 480, Distinguishing Liabilities From Equity and other relevant literature, and determined that the warrants meet the criteria for classification as equity instruments. The Company estimated the fair value of warrants using the Black-Scholes-Merton option-pricing model and recorded them in stockholders’ equity with an offset to additional paid in capital recorded from the sale of the units.