CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (UNAUDITED) - USD ($) $ in Thousands	Preferred Stock Series A-C	Preferred Stock	Convertible Preferred Stock Series D	Convertible Preferred Stock	Common Stock	Additional Paid-In Capital Series A-C	Additional Paid-In Capital Series D	Additional Paid-In Capital	Accumulated Deficit Series A-C	Accumulated Deficit Series D	Accumulated Deficit	Accumulated Other Comprehensive Income (loss)	Series A-C	Series D	Total
Balance at Beginning at Dec. 31, 2016								$ 123,755			$ (27,028)	$ (799)			$ 95,928
Balance at Beginning (in shares) at Dec. 31, 2016		20,868		46,000	5,529,542
Increase (Decrease) in Stockholders' Equity
Net income											1,978				1,978
Issuance of common stock, net of issuance costs								3,860							3,860
Issuance of common stock (in shares)					137,268
Series D Preferred Stock Conversion				(5,000)	17,500
Restricted stock awards (in shares)					105,264
Other comprehensive loss, net of tax												334			334
Stock-based compensation								796							796
Options exercised								5							5
Options exercised (in shares)					1,490
Preferred stock dividends											(1,731)				(1,731)
Balance at Ending at Sep. 30, 2017								128,416			(26,781)	(465)			101,170
Balance at Ending (in shares) at Sep. 30, 2017		20,868		41,000	5,791,064
Balance at Beginning at Dec. 31, 2016								123,755			(27,028)	(799)			95,928
Balance at Beginning (in shares) at Dec. 31, 2016		20,868		46,000	5,529,542
Balance at Ending at Dec. 31, 2017								130,070			(27,296)	(928)			101,846
Balance at Ending (in shares) at Dec. 31, 2017		20,868		41,000	5,833,456
Increase (Decrease) in Stockholders' Equity
Net income											3,923				3,923
Issuance of common stock, net of issuance costs								34,450							34,450
Issuance of common stock (in shares)					1,989,017
Make whole share issuance					128,978
Preferred stock redemption						$ (20,783)	$ (4,054)		$ (85)	$ (46)			$ (20,868)	$ (4,100)
Preferred stock redemption (in shares)	(20,868)		(41,000)
Other comprehensive loss, net of tax												(951)			(951)
Settlement of share awards								(181)							(181)
Settlement of share awards (in shares)					16,969
Reclassification of unrealized loss on equity securities											(41)	41
Stock-based compensation								1,423							1,423
Preferred stock dividends											(1,378)				(1,378)
Balance at Ending at Sep. 30, 2018								$ 140,925			$ (24,923)	$ (1,838)			$ 114,164
Balance at Ending (in shares) at Sep. 30, 2018					7,968,420