Equity - (Incentive) (Details)		1 Months Ended	3 Months Ended		9 Months Ended
	May 19, 2016 USD ($) employee shares	Jun. 30, 2016 USD ($)	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($)
Additional information
Compensation expense | $			$ 95,000	$ 99,000	$ 666,000	$ 372,000
Equity Plan | Restricted Stock
Number of Shares
Outstanding at beginning of year (in shares)					84,170
Restrictions lifted during the year (in shares)					(836)
Outstanding at end of year (in shares)			83,334		83,334
Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of year (in dollars per share) | $ / shares					$ 0.46
Restrictions lifted during the year (in dollars per share) | $ / shares					2.89
Outstanding at end of year (in dollars per share) | $ / shares			$ 0.44		$ 0.44
Additional information
Compensation expense | $					$ 4,700
Additional compensation expense expected to be recognized | $			$ 1,500		$ 1,500
Period for future recognition of additional compensation expense					3 months
Equity Plan | Restricted Stock | Employee
Number of Shares
Restrictions lifted during the year (in shares)					(836)
Equity Plan | Restricted Stock | Consultant
Additional information
Compensation expense | $	$ 21,000
Stock issued for services (in shares) | $	$ 50,000
Equity Plan | Employee and Directors Stock Options
Number of Shares
Outstanding at beginning of period (in shares)					245,810
Forfeited or expired during period (in shares)					(150,000)
Exercised during period (in shares)					0
Outstanding at end of year (in shares)			95,810		95,810
Exercisable at end of period (in shares)			95,810		95,810
Granted and vested (in shares)			95,810		95,810
Weighted Average Exercise Price Per Share
Outstanding at beginning of year (in dollars per share) | $ / shares					$ 3.47
Forfeited or expired during year (in dollars per share) | $ / shares					0.56
Exercised during period (in dollars per share) | $ / shares					0.00
Outstanding at end of year (in dollars per share) | $ / shares			$ 8.02		8.02
Exercisable at end of period (in dollars per share) | $ / shares			8.02		8.02
Granted and vested (in dollars per share) | $ / shares			$ 8.02		$ 8.02
Deferred Compensation Plan | Restricted Stock Units (RSUs)
Number of Shares
Outstanding at beginning of year (in shares)					1,245,285
Granted during the year (in shares)					530,000
Restrictions lifted during the year (in shares)					(167,968)
Outstanding at end of year (in shares)			1,607,317		1,607,317
Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of year (in dollars per share) | $ / shares					$ 1.66
Granted during the year (in dollars per share) | $ / shares					0.42
Restrictions lifted during the year (in dollars per share) | $ / shares					1.40
Outstanding at end of year (in dollars per share) | $ / shares			$ 1.28		$ 1.28
Additional information
Compensation expense | $					$ 200,000
Additional compensation expense expected to be recognized | $			$ 38,000		$ 38,000
Period for future recognition of additional compensation expense					8 months
Weighted Average Exercise Price Per Share
Number of unrestricted shares Director to receive for vested RSU upon termination from board					1
Deferred Compensation Plan | Restricted Stock Units (RSUs) | Board of Directors Chairman
Number of Shares
Granted during the year (in shares)					250,000
KELTIP | KELTIP Units | Officer
Number of Shares
Outstanding at beginning of year (in shares)					0
Granted during the year (in shares)	585,000
Outstanding at end of year (in shares)			585,000		585,000
Additional information
Number of employees | employee	2
Compensation expense | $	$ 300,000	$ 100,000