Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Plan (Narrative) (Details)

Stock-Based Compensation Plan (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 01, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of common stock that may be granted through awards to any employee in any calendar year				500
Allocated Share-based Compensation Expense		$ 387	$ 42	$ 729	$ 193
Unrecognized compensation cost related to unvested stock options		$ 1,153		$ 1,153
Unvested restricted stock awards		850		850
Unvested stock options		533		533
Unrecognized compensation cost related to unvested restricted stock awards		$ 1,679		$ 1,679
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options expected to vest within a year from grant date		463		463
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted stock awards	500
Vest In Four Equal Consecutive Quarterly Tranches From The Date Of Grant \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options issued under a plan				363
Stock options expected to vest within a year from grant date		38		38
Vesting Immediately [Member] \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options issued under a plan				100
Nonvested options that will vest in consequent years		100		100
Vesting In Three Installments [Member] \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested options that will vest in consequent years		325		325
Exercise Price Range One [Member] \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price	$ 6.10
Unvested restricted stock awards	250
Stock Price Target	$ 10.00
Exercise Price Range Two [Member] \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price	$ 6.10	$ 12.00		$ 12.00
Unvested restricted stock awards	250
Stock Price Target	$ 12.00