Stock-Based Compensation - Summary of Activity of Restricted Stock Awards, Restricted Stock Units and Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
Sep. 30, 2017 | Jun. 30, 2017 |
Stock Options [Member] | | |
Number of Shares, Outstanding, Beginning Balance | 215,000 | |
Number of Shares, Granted | 50,000 | |
Number of Shares, Forfeited, cancelled or expired | (35,000) | |
Number of Shares, Outstanding, Ending Balance | 230,000 | 215,000 |
Number of Shares, Expected to vest at September 30, 2017 | 57,500 | |
Number of Shares, Options Non-Vested | 172,500 | |
Number of Shares, Options Exercisable | 57,500 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Beginning Balance | $ 1.67 | |
Weighted Avg Grant Date Fair Value per Share, Granted | 2.08 | |
Weighted Avg Grant Date Fair Value per Share, Forfeited, cancelled or expired | 0 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Ending Balance | 1.71 | $ 1.67 |
Weighted Avg Grant Date Fair Value per Share, Expected to vest at September 30, 2017 | 1.71 | |
Weighted Avg Grant Date Fair Value per Share, Options Non-Vested | 1.71 | |
Weighted Avg Grant Date Fair Value per Share, Options Exercisable | $ 1.71 | |
Weighted Avg Contractual Term in Years, Outstanding | 8 years 11 months 5 days | 9 years 15 days |
Weighted Avg Contractual Term in Years, Granted | 0 years | |
Weighted Avg Contractual Term in Years, Forfeited, cancelled or expired | 0 years | |
Weighted Avg Contractual Term in Years, Expected to vest at September 30, 2017 | 8 years 11 months 5 days | |
Weighted Avg Contractual Term in Years, Options Non-Vested | 8 years 11 months 5 days | |
Weighted Avg Contractual Term in Years, Options Exercisable | 8 years 11 months 5 days | |
Aggregate Intrinsic Value, Outstanding, Beginning Balance | $ 0 | |
Aggregate Intrinsic Value, Granted | 0 | |
Aggregate Intrinsic Value, Forfeited, cancelled or expired | 0 | |
Aggregate Intrinsic Value, Outstanding, Ending Balance | 0 | $ 0 |
Aggregate Intrinsic Value, Options Vested | 0 | |
Aggregate Intrinsic Value, Options Non-Vested | 0 | |
Aggregate Intrinsic Value, Options Exercisable | $ 0 | |
Restricted Stock Awards [Member] | | |
Number of Shares, Outstanding, Beginning Balance | 2,631 | |
Number of Shares, Granted | 0 | |
Number of Shares, Exercised | 0 | |
Number of Shares, Released | 0 | |
Number of Shares, Vested | 0 | |
Number of Shares, Forfeited, cancelled or expired | 0 | |
Number of Shares, Outstanding, Ending Balance | 2,631 | 2,631 |
Number of Shares, Expected to vest at September 30, 2017 | 2,631 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Beginning Balance | $ 3.80 | |
Weighted Avg Grant Date Fair Value per Share, Granted | 0 | |
Weighted Avg Grant Date Fair Value per Share, Exercised | 0 | |
Weighted Avg Grant Date Fair Value per Share, Released | 0 | |
Weighted Avg Grant Date Fair Value per Share, Vested | 0 | |
Weighted Avg Grant Date Fair Value per Share, Forfeited, cancelled or expired | 0 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Ending Balance | 3.80 | $ 3.80 |
Weighted Avg Grant Date Fair Value per Share, Expected to vest at September 30, 2017 | $ 0 | |
Weighted Avg Contractual Term in Years, Outstanding | 2 months 27 days | 5 months 27 days |
Weighted Avg Contractual Term in Years, Granted | 0 years | |
Weighted Avg Contractual Term in Years, Exercised | 0 years | |
Weighted Avg Contractual Term in Years, Released | 0 years | |
Weighted Avg Contractual Term in Years, Vested | 0 years | |
Weighted Avg Contractual Term in Years, Forfeited, cancelled or expired | 0 years | |
Weighted Avg Contractual Term in Years, Expected to vest at September 30, 2017 | 0 years | |
Aggregate Intrinsic Value, Outstanding, Beginning Balance | $ 5 | |
Aggregate Intrinsic Value, Granted | 0 | |
Aggregate Intrinsic Value, Exercised | 0 | |
Aggregate Intrinsic Value, Released | 0 | |
Aggregate Intrinsic Value, Vested | 0 | |
Aggregate Intrinsic Value, Forfeited, cancelled or expired | 0 | |
Aggregate Intrinsic Value, Outstanding, Ending Balance | 6 | $ 5 |
Aggregate Intrinsic Value, Expected to vest at September 30, 2017 | $ 0 | |
Restricted Stock Units [Member] | | |
Number of Shares, Outstanding, Beginning Balance | 33,334 | |
Number of Shares, Granted | 0 | |
Number of Shares, Exercised | 0 | |
Number of Shares, Released | 0 | |
Number of Shares, Vested | 0 | |
Number of Shares, Forfeited, cancelled or expired | 0 | |
Number of Shares, Outstanding, Ending Balance | 33,334 | 33,334 |
Number of Shares, Expected to vest at September 30, 2017 | 33,334 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Beginning Balance | $ 2.25 | |
Weighted Avg Grant Date Fair Value per Share, Granted | 0 | |
Weighted Avg Grant Date Fair Value per Share, Exercised | 0 | |
Weighted Avg Grant Date Fair Value per Share, Released | 0 | |
Weighted Avg Grant Date Fair Value per Share, Vested | 0 | |
Weighted Avg Grant Date Fair Value per Share, Forfeited, cancelled or expired | 0 | |
Weighted Avg Grant Date Fair Value per Share, Outstanding, Ending Balance | 2.25 | $ 2.25 |
Weighted Avg Grant Date Fair Value per Share, Expected to vest at September 30, 2017 | $ 0 | |
Weighted Avg Contractual Term in Years, Outstanding | 3 months | 6 months |
Weighted Avg Contractual Term in Years, Granted | 0 years | |
Weighted Avg Contractual Term in Years, Exercised | 0 years | |
Weighted Avg Contractual Term in Years, Released | 0 years | |
Weighted Avg Contractual Term in Years, Vested | 0 years | |
Weighted Avg Contractual Term in Years, Forfeited, cancelled or expired | 0 years | |
Weighted Avg Contractual Term in Years, Expected to vest at September 30, 2017 | 0 years | |
Aggregate Intrinsic Value, Outstanding, Beginning Balance | $ 69 | |
Aggregate Intrinsic Value, Granted | 0 | |
Aggregate Intrinsic Value, Exercised | 0 | |
Aggregate Intrinsic Value, Released | 0 | |
Aggregate Intrinsic Value, Vested | 0 | |
Aggregate Intrinsic Value, Forfeited, cancelled or expired | 0 | |
Aggregate Intrinsic Value, Outstanding, Ending Balance | 76 | $ 69 |
Aggregate Intrinsic Value, Expected to vest at September 30, 2017 | $ 0 | |