Stock Options (Details) - USD ($)	1 Months Ended	3 Months Ended				9 Months Ended
	Jan. 31, 2017	Mar. 31, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2017
Number of Shares
Balance, Beginning of period (shares)	68,133	68,133
Granted (shares)		0
Forfeited (shares)		0
Exercised (shares)		(32,800)
Balance, End of period (shares)		35,333
Outstanding exercisable options at end of quarter (shares)								35,333
Weighted Average Exercise Price (in dollars per share)
Beginning balance (usd per share)	$ 1.79	$ 1.79						$ 1.69
Granted (usd per share)		0.00
Forfeited (usd per share)		(0.00)
Exercised (usd per share)		(1.90)
Ending balance (usd per share)	$ 1.79	1.79
Outstanding exercisable options at end of quarter (usd per share)								$ 1.69
Intrinsic value of exercisable options								$ 170,000
Restricted Stock Units (RSUs) [Member]
Weighted Average Exercise Price (in dollars per share)
Granted (usd per share)		$ 5.45
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance (in shares)	103,000	103,000
Grants (in shares)	15,000	74,000
Vested (in shares)		(15,000)
Forfeited (in shares)		0
Ending Balance (in shares)		162,000
Weighted Average Grant Date Fair Value, Beginning Balance (in dollars per share)	$ 4.95	$ 4.95
Weighted Average Grant Date Fair Value, vested (in dollars per share)		(5.45)
Weighted Average Grant Date Fair Value, forfeited (in dollars per share)		0.00
Weighted Average Grant Date Fair Value, Ending Balance (in dollars per share		$ 5.13
Vesting period		3 years
Stock option expense		$ 151,032		$ 0
Compensation not yet recognized								$ 762,117
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Stock option expense			$ 0		$ 0	$ 0	$ 0