XML 32 R17.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Quarterly Financial Information (unaudited) | 12 Months Ended
--- | ---
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information (unaudited) | Quarterly Financial Information (unaudited) The following table reflects the quarterly results of operations for the years ended December 31, 2017 and 2016 (dollars in thousands):
|  | Quarter ended
|  | December 31, 2017 |  | September 30, 2017 |  | June 30, 2017 |  | March 31, 2017
Operating revenues |  | $ | 25,253 |  |  | $ | 24,365 |  |  | $ | 22,867 |  |  | $ | 22,314 |
Operating expenses |  | (20,405 | ) |  | (15,867 | ) |  | (14,357 | ) |  | (17,708 | )
Other expense, net |  | (6,311 | ) |  | (6,115 | ) |  | (7,849 | ) |  | (250 | )
Net (loss) income |  | (1,463 | ) |  | 2,383 |  |  | 661 |  |  | 4,356 |
Dividends attributable to preferred and senior common stock |  | (2,802 | ) |  | (2,767 | ) |  | (2,686 | ) |  | (2,621 | )
Net (loss) income (attributable) available to common stockholders |  | $ | (4,265 | ) |  | $ | (384 | ) |  | $ | (2,025 | ) |  | $ | 1,735 |
Net (loss) income (attributable) available to common stockholders - basic & diluted |  | $ | (0.17 | ) |  | $ | (0.01 | ) |  | $ | (0.08 | ) |  | $ | 0.07 |
|  | Quarter ended
|  | December 31, 2016 |  | September 30, 2016 |  | June 30, 2016 |  | March 31, 2016
Operating revenues |  | $ | 22,009 |  |  | $ | 21,589 |  |  | $ | 21,247 |  |  | $ | 21,527 |
Operating expenses |  | (13,733 | ) |  | (15,172 | ) |  | (13,433 | ) |  | (13,257 | )
Other expense, net |  | (5,981 | ) |  | (6,490 | ) |  | (6,931 | ) |  | (7,417 | )
Net income (loss) |  | 2,295 |  |  | (73 | ) |  | 883 |  |  | 853 |
Dividends attributable to preferred and senior common stock |  | (2,607 | ) |  | (2,256 | ) |  | (1,514 | ) |  | (1,279 | )
Net loss attributable to common stockholders |  | $ | (312 | ) |  | $ | (2,329 | ) |  | $ | (631 | ) |  | $ | (426 | )
Net loss attributable to common stockholders - basic & diluted |  | $ | (0.01 | ) |  | $ | (0.10 | ) |  | $ | (0.03 | ) |  | $ | (0.02 | )

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
Name: | us-gaap_QuarterlyFinancialInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration